diff --git a/interface/lib/lang/cz.lng b/interface/lib/lang/cz.lng
index 6d95c1249f185c0fd629c434d6c8db2631ea748a..fdf9053daeae044df91c4fa6609148dc23ab17d4 100644
--- a/interface/lib/lang/cz.lng
+++ b/interface/lib/lang/cz.lng
@@ -33,7 +33,7 @@ $wb['top_menu_monitor'] = 'Monitor';
 $wb['top_menu_sites'] = 'Stránky';
 $wb['top_menu_dns'] = 'DNS';
 $wb['top_menu_tools'] = 'Nástroje';
-$wb['top_menu_help'] = 'Pomoc';
+$wb['top_menu_help'] = 'Podpora';
 $wb['toolsarea_head_txt'] = 'Nástroje';
 $wb['top_menu_billing'] = 'Fakturace';
 $wb['top_menu_domain'] = 'Doména';
diff --git a/interface/web/admin/lib/lang/cz_server_php.lng b/interface/web/admin/lib/lang/cz_server_php.lng
index 615431c3559ed694eda6fb9aff9d2bb5845943cc..e3268703409b81751d095a13e1f8d8da655d2030 100644
--- a/interface/web/admin/lib/lang/cz_server_php.lng
+++ b/interface/web/admin/lib/lang/cz_server_php.lng
@@ -13,5 +13,5 @@ $wb['php_fastcgi_ini_dir_txt'] = 'Cesta k php.ini adresáři';
 $wb['php_fpm_init_script_txt'] = 'Cesta k PHP-FPM init script';
 $wb['php_fpm_ini_dir_txt'] = 'Cesta k php.ini adresáři';
 $wb['php_fpm_pool_dir_txt'] = 'Cesta k PHP-FPM pool adresáři';
-$wb['active_txt'] = 'Active';
+$wb['active_txt'] = 'Aktivní';
 ?>
diff --git a/interface/web/admin/lib/lang/cz_server_php_list.lng b/interface/web/admin/lib/lang/cz_server_php_list.lng
index f79d48219057427f3638f064644a55402868fa93..abe4f750ff53f710decd2bd98b0e67460a60f091 100644
--- a/interface/web/admin/lib/lang/cz_server_php_list.lng
+++ b/interface/web/admin/lib/lang/cz_server_php_list.lng
@@ -4,5 +4,5 @@ $wb['server_id_txt'] = 'Server';
 $wb['add_new_record_txt'] = 'Přidat verzi PHP';
 $wb['client_id_txt'] = 'Klient';
 $wb['name_txt'] = 'Verze PHP';
-$wb['active_txt'] = 'Active';
+$wb['active_txt'] = 'Aktivní';
 ?>
diff --git a/interface/web/admin/lib/lang/cz_system_config.lng b/interface/web/admin/lib/lang/cz_system_config.lng
index a0abf26410600ea6147f5848dfa107b8173ef408..3660e1b689ff41613eb360826e4776321ab69700 100644
--- a/interface/web/admin/lib/lang/cz_system_config.lng
+++ b/interface/web/admin/lib/lang/cz_system_config.lng
@@ -77,17 +77,17 @@ $wb['default_dnsserver_txt'] = 'Výchozí DNS server';
 $wb['default_slave_dnsserver_txt'] = 'Výchozí sekundární DNS server';
 $wb['default_dbserver_txt'] = 'Výchozí databázový server';
 $wb['company_name_txt'] = 'Název společnosti v panelu (listu) webového prohlížeče';
-$wb['reseller_can_use_options_txt'] = 'Reseller can use the option-tab for websites';
+$wb['reseller_can_use_options_txt'] = 'Distributor (prodejce) může použít kartu možností pro weby.';
 $wb['custom_login_text_txt'] = 'Vlastní text na přihlašovací stránce';
 $wb['custom_login_link_txt'] = 'Vlastní odkaz (URL) na přihlašovací stránce (vlastní text)';
 $wb['login_link_error_regex'] = 'Neplatný formát URL pro vlastní odkaz na přihlašovací stránce';
-$wb['ca_name_txt'] = 'Name';
-$wb['ca_issue_txt'] = 'Issue';
-$wb['ca_wildcard_txt'] = 'Use Wildcard';
-$wb['ca_critical_txt'] = 'Strict Check';
+$wb['ca_name_txt'] = 'Název vydavatele';
+$wb['ca_issue_txt'] = 'Doména vydavatele';
+$wb['ca_wildcard_txt'] = 'Použít Wildcard (*)';
+$wb['ca_critical_txt'] = 'Přísná kontrola';
 $wb['ca_iodef_txt'] = 'iodef';
-$wb['active_txt'] = 'Aktive';
-$wb['btn_save_txt'] = 'Save';
-$wb['btn_cancel_txt'] = 'Cancel';
+$wb['active_txt'] = 'Aktivní';
+$wb['btn_save_txt'] = 'Uložit';
+$wb['btn_cancel_txt'] = 'Zrušit';
 $wb['web_php_options_txt'] = 'PHP Handler (Apache only)';
 ?>
diff --git a/interface/web/client/lib/lang/cz_clients_list.lng b/interface/web/client/lib/lang/cz_clients_list.lng
index 8cdabf2696da35a1b417623993040161aabb7419..270da3674db2c36b250ce6c8b70b282561d4115f 100644
--- a/interface/web/client/lib/lang/cz_clients_list.lng
+++ b/interface/web/client/lib/lang/cz_clients_list.lng
@@ -8,7 +8,7 @@ $wb['country_txt'] = 'Stát';
 $wb['add_new_record_txt'] = 'Vytvořit klienta';
 $wb['username_txt'] = 'Uživatelské jméno';
 $wb['customer_no_txt'] = 'Zákaznické číslo';
-$wb['locked_txt'] = 'Locked';
-$wb['yes_txt'] = 'Yes';
-$wb['no_txt'] = 'No';
+$wb['locked_txt'] = 'Zamčené';
+$wb['yes_txt'] = 'Ano';
+$wb['no_txt'] = 'Ne';
 ?>
diff --git a/interface/web/dashboard/lib/lang/cz_dashlet_invoices.lng b/interface/web/dashboard/lib/lang/cz_dashlet_invoices.lng
index 9666ed2b084e918617cee00c4a8d3aa3d39e64df..ab093825c60f1890b862021d2977528c7aa3878d 100644
--- a/interface/web/dashboard/lib/lang/cz_dashlet_invoices.lng
+++ b/interface/web/dashboard/lib/lang/cz_dashlet_invoices.lng
@@ -3,7 +3,7 @@ $wb['invoices_txt'] = 'Invoices';
 $wb['invoice_no_txt'] = 'Invoice No.';
 $wb['amount_txt'] = 'Amount';
 $wb['date_txt'] = 'Datum';
-$wb['invoice_status_txt'] = 'Status';
+$wb['invoice_status_txt'] = 'Stav';
 $wb['no_invoices_txt'] = 'No Invoices available.';
 $wb['paid_txt'] = 'Paid';
 $wb['unpaid_txt'] = 'Unpaid';
diff --git a/interface/web/dashboard/lib/lang/cz_dashlet_limits.lng b/interface/web/dashboard/lib/lang/cz_dashlet_limits.lng
index d322823e6bab0a400bd5e0d9ac06b6090bb98156..a7aecc4a539beb0a074f7744ece25e94068dab5e 100644
--- a/interface/web/dashboard/lib/lang/cz_dashlet_limits.lng
+++ b/interface/web/dashboard/lib/lang/cz_dashlet_limits.lng
@@ -1,5 +1,5 @@
 <?php
-$wb['limits_txt'] = 'Limity účtu';
+$wb['limits_txt'] = 'Limity účtů';
 $wb['of_txt'] = 'z';
 $wb['unlimited_txt'] = 'neomezeno';
 $wb['limit_maildomain_txt'] = 'Počet e-mailových domén';
@@ -28,7 +28,7 @@ $wb['limit_client_txt'] = 'Počet klientů';
 $wb['limit_database_txt'] = 'Počet databází';
 $wb['limit_mailmailinglist_txt'] = 'Počet e-mailových konferencí';
 $wb['limit_domain_txt'] = 'Počet domén';
-$wb['limit_mailquota_txt'] = 'Assigned mailbox quota';
-$wb['limit_web_quota_txt'] = 'Assigned web quota';
-$wb['limit_database_quota_txt'] = 'Assigned database quota';
+$wb['limit_mailquota_txt'] = 'Přiřazená e-mailová kvóta';
+$wb['limit_web_quota_txt'] = 'Přiřazená webová kvóta';
+$wb['limit_database_quota_txt'] = 'Přiřazená databázová kvóta';
 ?>
diff --git a/interface/web/dns/lib/lang/cz_dns_caa.lng b/interface/web/dns/lib/lang/cz_dns_caa.lng
index 973a97ceb6870404d7c8107002e1738b373362a0..f4ba690c5a210bf522ad9bad83af731448272fa1 100644
--- a/interface/web/dns/lib/lang/cz_dns_caa.lng
+++ b/interface/web/dns/lib/lang/cz_dns_caa.lng
@@ -1,19 +1,19 @@
 <?php
-$wb['ca_list_txt'] = 'Certifiction Authority';
-$wb['ca_domain_txt'] = 'Domain';
-$wb['ca_hostname_txt'] = 'Additional Hostnamen';
-$wb['ca_hostname_note_txt'] = '(Sepearated list with commas - empty for all hostnames)';
-$wb['ca_options_txt'] = 'Additional Options';
-$wb['ca_options_note_txt'] = 'requested by the CA (Sepearated list with commas)';
-$wb['ca_wildcard_txt'] = 'Use Wildcard SSL';
-$wb['ca_critical_txt'] = 'Strict check';
+$wb['ca_list_txt'] = 'Certifikační autorita';
+$wb['ca_domain_txt'] = 'Doména';
+$wb['ca_hostname_txt'] = 'Omezit na názvy hostitelů';
+$wb['ca_hostname_note_txt'] = '(Oddělený seznam s čárkami - prázdný pro všechna jména hostitelů)';
+$wb['ca_options_txt'] = 'Další možnosti názvu hostitele';
+$wb['ca_options_note_txt'] = 'requested by the CA (Oddělený seznam s čárkami)';
+$wb['ca_wildcard_txt'] = 'Použití Wildcard (*) SSL';
+$wb['ca_critical_txt'] = 'Přísná kontrola';
 $wb['ttl_txt'] = 'TTL';
-$wb['active_txt'] = 'Active';
-$wb['select_txt'] = 'Select Certifiction Authority';
-$wb['no_zone_perm'] = 'You do not have the permission to add a record to this DNS zone.';
-$wb['limit_dns_record_txt'] = 'The max. number of DNS records for your account is reached.';
-$wb['ca_error_txt'] = 'No Certifiction Authority selected';
-$wb['caa_exists_error'] = 'CAA Record already exists';
-$wb['ca_option_error'] = 'Invalid format for additional options; OPTION=VALUE';
-$wb['ttl_range_error'] = 'Min. TTL time is 60 seconds.';
+$wb['active_txt'] = 'Aktivní';
+$wb['select_txt'] = 'Vyberte certifikační autoritu';
+$wb['no_zone_perm'] = 'Nemáte oprávnění přidat záznam do této zóny DNS.';
+$wb['limit_dns_record_txt'] = 'Byl dosažen max. počet DNS záznamů pro váš účet.';
+$wb['ca_error_txt'] = 'Nebyla vybrána žádná certifikační autorita';
+$wb['caa_exists_error'] = 'CAA záznam již existuje';
+$wb['ca_option_error'] = 'Neplatný formát pro další možnosti; OPTION=VALUE';
+$wb['ttl_range_error'] = 'Min. TTL čas je 60 sekund.';
 ?>
diff --git a/interface/web/dns/lib/lang/cz_dns_dmarc.lng b/interface/web/dns/lib/lang/cz_dns_dmarc.lng
index c5952552a62dec226fdb07d0ebbf321dd2c04703..c4c3bb4f241f768ec4f75ed0054542832cffa39a 100644
--- a/interface/web/dns/lib/lang/cz_dns_dmarc.lng
+++ b/interface/web/dns/lib/lang/cz_dns_dmarc.lng
@@ -44,7 +44,7 @@ $wb['dmarc_more_spf_txt'] = 'More than one active SPF Record';
 $wb['dmarc_invalid_email_txt'] = 'Neplatný e-mail';
 $wb['dmarc_empty_txt'] = 'DMARC Record empty - specify at least one option';
 $wb['record_exists_txt'] = 'DNS záznam již existuje';
-$wb['limit_dns_record_txt'] = 'The max. number of DNS records for your account is reached.';
-$wb['no_zone_perm'] = 'You do not have the permission to add a record to this DNS zone.';
+$wb['limit_dns_record_txt'] = 'Byl dosažen max. počet DNS záznamů pro váš účet.';
+$wb['no_zone_perm'] = 'Nemáte oprávnění přidat záznam do této zóny DNS.';
 $wb['ttl_range_error'] = 'Min. TTL doba je 60 sekund.';
 ?>
diff --git a/interface/web/dns/lib/lang/cz_dns_ds.lng b/interface/web/dns/lib/lang/cz_dns_ds.lng
index 3d25095d3be2ffcb604e0f1b5c1ff940bf631104..f7dd779ef817a2d3d5a4dae72446ae7b0e9f880c 100644
--- a/interface/web/dns/lib/lang/cz_dns_ds.lng
+++ b/interface/web/dns/lib/lang/cz_dns_ds.lng
@@ -6,8 +6,8 @@ $wb['type_txt'] = 'Typ';
 $wb['data_txt'] = 'Data';
 $wb['ttl_txt'] = 'TTL';
 $wb['active_txt'] = 'Aktivní';
-$wb['limit_dns_record_txt'] = 'The max. number of DNS records for your account is reached.';
-$wb['no_zone_perm'] = 'You do not have the permission to add a record to this DNS zone.';
+$wb['limit_dns_record_txt'] = 'Byl dosažen max. počet DNS záznamů pro váš účet.';
+$wb['no_zone_perm'] = 'Nemáte oprávnění přidat záznam do této zóny DNS.';
 $wb['name_error_empty'] = 'Název hostitele je prázdný.';
 $wb['name_error_regex'] = 'Název hostitele má chybný formát.';
 $wb['data_error_empty'] = 'Text empty';
diff --git a/interface/web/dns/lib/lang/cz_dns_import.lng b/interface/web/dns/lib/lang/cz_dns_import.lng
index 3b41baa1be8493dca50745ea9754fe4c93262b1f..fc90d3cf3ca7a085406b899d6d6199e719b996bf 100644
--- a/interface/web/dns/lib/lang/cz_dns_import.lng
+++ b/interface/web/dns/lib/lang/cz_dns_import.lng
@@ -12,5 +12,5 @@ $wb['title'] = 'Importovat soubory zón';
 $wb['no_file_uploaded_error'] = 'Nelze odeslat DNS zonový soubor';
 $wb['zone_file_import_txt'] = 'Importovat DNS zonový soubor';
 $wb['error_no_server_id'] = 'No server provided.';
-$wb['error_not_allowed_server_id'] = 'The selected server is not allowed for this account.';
+$wb['error_not_allowed_server_id'] = 'Vybraný server není pro tento účet povolen.';
 ?>
diff --git a/interface/web/dns/lib/lang/cz_dns_loc.lng b/interface/web/dns/lib/lang/cz_dns_loc.lng
index 90ddd3533bb1294d5c844f9cebacb293710c9c74..4ed9018152ceeb842f33116f29034f9fc75f22f4 100644
--- a/interface/web/dns/lib/lang/cz_dns_loc.lng
+++ b/interface/web/dns/lib/lang/cz_dns_loc.lng
@@ -6,8 +6,8 @@ $wb['type_txt'] = 'Typ';
 $wb['data_txt'] = 'Data';
 $wb['ttl_txt'] = 'TTL';
 $wb['active_txt'] = 'Aktivní';
-$wb['limit_dns_record_txt'] = 'The max. number of DNS records for your account is reached.';
-$wb['no_zone_perm'] = 'You do not have the permission to add a record to this DNS zone.';
+$wb['limit_dns_record_txt'] = 'Byl dosažen max. počet DNS záznamů pro váš účet.';
+$wb['no_zone_perm'] = 'Nemáte oprávnění přidat záznam do této zóny DNS.';
 $wb['name_error_empty'] = 'Název hostitele je prázdný.';
 $wb['name_error_regex'] = 'Název hostitele má chybný formát.';
 $wb['data_error_empty'] = 'Text empty';
diff --git a/interface/web/dns/lib/lang/cz_dns_soa.lng b/interface/web/dns/lib/lang/cz_dns_soa.lng
index 7dfbb0e91b1afa9ac428eb044e9dd4e05dcf8fec..5e4a0c2bb3b9a21ca19897551f5e643dd1d9d664 100644
--- a/interface/web/dns/lib/lang/cz_dns_soa.lng
+++ b/interface/web/dns/lib/lang/cz_dns_soa.lng
@@ -38,7 +38,7 @@ $wb['xfer_error_regex'] = 'Také oznámí: Prosím, použijte IP adresu.';
 $wb['dnssec_info_txt'] = 'DNSSEC DS-Data for registry';
 $wb['dnssec_wanted_txt'] = 'Podepsat zónu (DNSSEC)';
 $wb['dnssec_wanted_info'] = 'Když deaktivujete DNSSEC klíče nebudou odstraněny, ale DNS záznamy (zóna) již nebudou propagovány v podepsaném formátu. Pokud používáte PowerDNS, budou klíče WILL vymazány!';
-$wb['error_not_allowed_server_id'] = 'The selected server is not allowed for this account.';
+$wb['error_not_allowed_server_id'] = 'Vybraný server není pro tento účet povolen.';
 $wb['soa_cannot_be_changed_txt'] = 'Die Zone (SOA) kann nicht verändert werden. Bitte kontaktieren Sie ihren Administrator, um die Zone zu ändern.';
 $wb['configuration_error_txt'] = 'CONFIGURATION ERROR';
 ?>
diff --git a/interface/web/dns/lib/lang/cz_dns_spf.lng b/interface/web/dns/lib/lang/cz_dns_spf.lng
index 755e01f11ebd086181051f9b3e41cc4a071c83a0..3086454c34e87cff4a5c722ab48b0c7963632c14 100644
--- a/interface/web/dns/lib/lang/cz_dns_spf.lng
+++ b/interface/web/dns/lib/lang/cz_dns_spf.lng
@@ -19,7 +19,7 @@ $wb['spf_invalid_domain_txt'] = 'Neplatné doménové jméno';
 $wb['ttl_txt'] = 'TTL';
 $wb['active_txt'] = 'Aktivní';
 $wb['record_exists_txt'] = 'DNS záznam již existuje';
-$wb['limit_dns_record_txt'] = 'The max. number of DNS records for your account is reached.';
-$wb['no_zone_perm'] = 'You do not have the permission to add a record to this DNS zone.';
+$wb['limit_dns_record_txt'] = 'Byl dosažen max. počet DNS záznamů pro váš účet.';
+$wb['no_zone_perm'] = 'Nemáte oprávnění přidat záznam do této zóny DNS.';
 $wb['ttl_range_error'] = 'Min. TTL doba je 60 sekund.';
 ?>
diff --git a/interface/web/dns/lib/lang/cz_dns_tlsa.lng b/interface/web/dns/lib/lang/cz_dns_tlsa.lng
index b92da1d45b9a76b5dab24eaa815c664a59129a37..3891ad37c7a8cb1965453a6eab585eedd9734327 100644
--- a/interface/web/dns/lib/lang/cz_dns_tlsa.lng
+++ b/interface/web/dns/lib/lang/cz_dns_tlsa.lng
@@ -6,8 +6,8 @@ $wb['type_txt'] = 'Typ';
 $wb['data_txt'] = 'TLSA-Data';
 $wb['ttl_txt'] = 'TTL';
 $wb['active_txt'] = 'Aktivní';
-$wb['limit_dns_record_txt'] = 'The max. number of DNS records for your account is reached.';
-$wb['no_zone_perm'] = 'You do not have the permission to add a record to this DNS zone.';
+$wb['limit_dns_record_txt'] = 'Byl dosažen max. počet DNS záznamů pro váš účet.';
+$wb['no_zone_perm'] = 'Nemáte oprávnění přidat záznam do této zóny DNS.';
 $wb['name_error_empty'] = 'Název hostitele je prázdný.';
 $wb['name_error_regex'] = 'The hostname has the wrong format. Correct: _&lt;port&gt;._(tcp|udp).&lt;hostname&gt;';
 $wb['data_error_empty'] = 'TLSA-Data empty';
diff --git a/interface/web/dns/lib/lang/cz_dns_wizard.lng b/interface/web/dns/lib/lang/cz_dns_wizard.lng
index 548b90d702ceb461a0819e37551f8763b0892169..a4a1ddf53946f4e90396df441afba9e08a0cacbf 100644
--- a/interface/web/dns/lib/lang/cz_dns_wizard.lng
+++ b/interface/web/dns/lib/lang/cz_dns_wizard.lng
@@ -39,7 +39,7 @@ $wb['list_head_txt'] = 'Průvodce vytvořením DNS zóny';
 $wb['list_desc_txt'] = 'Vytvoření DNS zóny pomocí průvodce';
 $wb['dkim_txt'] = 'DKIM povolen';
 $wb['error_no_server_id'] = 'No server provided.';
-$wb['error_not_allowed_server_id'] = 'The selected server is not allowed for this account.';
+$wb['error_not_allowed_server_id'] = 'Vybraný server není pro tento účet povolen.';
 $wb['dnssec_txt'] = 'Podepsat zónu (DNSSEC)';
 $wb['limit_dns_zone_txt'] = 'The max. number of DNS zones for your account is reached.';
 ?>
diff --git a/interface/web/mail/lib/lang/cz_mail_backup_list.lng b/interface/web/mail/lib/lang/cz_mail_backup_list.lng
index 91ea1ad49f00bb49edcb5a92658d928ca3f0abd1..d4f941a4cdfd75b4ba2975f613a5eba31b6844c3 100644
--- a/interface/web/mail/lib/lang/cz_mail_backup_list.lng
+++ b/interface/web/mail/lib/lang/cz_mail_backup_list.lng
@@ -1,16 +1,16 @@
 <?php
-$wb['list_head_txt'] = 'Stávající zálohy';
+$wb['list_head_txt'] = 'Dostupné zálohy';
 $wb['date_txt'] = 'Datum';
 $wb['backup_type_txt'] = 'Typ';
 $wb['filename_txt'] = 'Záloha souborů';
 $wb['restore_backup_txt'] = 'Obnovit';
-$wb['restore_info_txt'] = 'Restore of the backup has been started. This action takes several minutes to be completed.';
-$wb['restore_confirm_txt'] = 'Restoring may overwrite existing files in your mailbox. Do you really want to restore this backup?';
-$wb['download_pending_txt'] = 'There is already a pending backup download job.';
-$wb['restore_pending_txt'] = 'There is already a pending backup restore job.';
+$wb['restore_info_txt'] = 'Obnovení zálohy bylo zahájeno. Dokončení této akce může trvat několik minut.';
+$wb['restore_confirm_txt'] = 'Obnovení může přepsat existující soubory ve vaší poštovní schránce. Opravdu chcete tuto zálohu obnovit ?';
+$wb['download_pending_txt'] = 'Již existuje čekající úloha pro stažení zálohy.';
+$wb['restore_pending_txt'] = 'Již existuje čekající úloha pro obnovu zálohy.';
 $wb['delete_backup_txt'] = 'Smazat zálohu';
 $wb['delete_info_txt'] = 'Bylo zahájeno odstranění zálohy. Tato akce může trvat několik minut než bude dokončena.';
 $wb['delete_confirm_txt'] = 'Opravdu chcete smazat tuto zálohu ?';
-$wb['delete_pending_txt'] = 'There is already a pending backup delete job.';
+$wb['delete_pending_txt'] = 'Již existuje čekající úloha pro odstranění zálohy.';
 $wb['filesize_txt'] = 'Velikost souboru';
 ?>
diff --git a/interface/web/monitor/lib/lang/cz.lng b/interface/web/monitor/lib/lang/cz.lng
index 9e054aacf23efeaec418cfde7c79b0ead70bad1b..be2d9eadbb410a52ead1e3b0907d6c91fda03afa 100644
--- a/interface/web/monitor/lib/lang/cz.lng
+++ b/interface/web/monitor/lib/lang/cz.lng
@@ -161,5 +161,5 @@ $wb['monitor_database_client_txt'] = 'Klient';
 $wb['monitor_database_domain_txt'] = 'Doména';
 $wb['monitor_services_mongodb_txt'] = 'MongoDB-Server:';
 $wb['monitor_title_mongodb_txt'] = 'MongoDB Log';
-$wb['Show Data Log History'] = 'Show Data Log History';
+$wb['Show Data Log History'] = 'Zobrazit historii datového logu';
 ?>
diff --git a/interface/web/monitor/lib/lang/cz_dataloghistory_list.lng b/interface/web/monitor/lib/lang/cz_dataloghistory_list.lng
index 9f9afd6347ba4443cc46796810fb1c4a24106ccf..ce89af1a880f3f29c4204d3b5ee25da6caeb27f9 100644
--- a/interface/web/monitor/lib/lang/cz_dataloghistory_list.lng
+++ b/interface/web/monitor/lib/lang/cz_dataloghistory_list.lng
@@ -1,8 +1,8 @@
 <?php
-$wb["list_head_txt"] = 'Datalog History';
-$wb["tstamp_txt"] = 'Date';
-$wb["server_id_txt"] = 'Server';
-$wb["dbtable_txt"] = 'DB Table';
-$wb["action_txt"] = 'Action';
-$wb["status_txt"] = 'Status';
+$wb['list_head_txt'] = 'Protokol historie datového logu';
+$wb['tstamp_txt'] = 'Datum';
+$wb['server_id_txt'] = 'Server';
+$wb['dbtable_txt'] = 'DB Tabulka';
+$wb['action_txt'] = 'Akce';
+$wb['status_txt'] = 'Stav';
 ?>
diff --git a/interface/web/monitor/lib/lang/cz_dataloghistory_undo.lng b/interface/web/monitor/lib/lang/cz_dataloghistory_undo.lng
index 0e040a3e77d48b89a779f7c7d3fb4198df0fe02e..0d25364ec14b8c1a866ad65c0e17165fd7e6c768 100644
--- a/interface/web/monitor/lib/lang/cz_dataloghistory_undo.lng
+++ b/interface/web/monitor/lib/lang/cz_dataloghistory_undo.lng
@@ -1,7 +1,7 @@
 <?php
-$wb['list_head_txt'] = 'Data Log History Entry';
+$wb['list_head_txt'] = 'Záznam historie datového logu';
 $wb['success_txt'] = 'Undo successful';
 $wb['error_txt'] = 'Error during undo: Record does not exist anymore';
 $wb['error_undelete_txt'] = 'Error during undelete: Record with primary id already existing.';
-$wb['btn_cancel_txt'] = 'Back';
+$wb['btn_cancel_txt'] = 'Zpět';
 ?>
diff --git a/interface/web/monitor/lib/lang/cz_dataloghistory_view.lng b/interface/web/monitor/lib/lang/cz_dataloghistory_view.lng
index df9ddd286f46e816e06132e7465929ab8dd87229..1f20cf12d453d532ae95ba77615db60c0433dbc3 100644
--- a/interface/web/monitor/lib/lang/cz_dataloghistory_view.lng
+++ b/interface/web/monitor/lib/lang/cz_dataloghistory_view.lng
@@ -1,26 +1,26 @@
 <?php
-$wb['i'] = 'Insert';
-$wb['u'] = 'Update';
-$wb['d'] = 'Delete';
-$wb['list_head_txt'] = 'Data Log History Entry';
+$wb['i'] = 'Vložit';
+$wb['u'] = 'Aktualizace';
+$wb['d'] = 'Odstranit';
+$wb['list_head_txt'] = 'Záznam historie datového logu';
 $wb['id_txt'] = 'ID';
-$wb['timestamp_txt'] = 'Timestamp';
-$wb['table_txt'] = 'Table';
-$wb['action_txt'] = 'Action';
-$wb['session_id_txt'] = 'Session ID';
-$wb['fields_txt'] = 'Fields';
-$wb['fields_inserted_txt'] = 'Inserted Fields';
-$wb['fields_updated_txt'] = 'Updated Fields';
-$wb['fields_deleted_txt'] = 'Deleted Fields';
-$wb['no_changes_txt'] = 'No changes (re-sync)';
+$wb['timestamp_txt'] = 'Časové razítko';
+$wb['table_txt'] = 'Tabulka';
+$wb['action_txt'] = 'Akce';
+$wb['session_id_txt'] = 'ID Relace';
+$wb['fields_txt'] = 'Pole';
+$wb['fields_inserted_txt'] = 'Vložená pole';
+$wb['fields_updated_txt'] = 'Aktualizovaná pole';
+$wb['fields_deleted_txt'] = 'Odstraněná pole';
+$wb['no_changes_txt'] = 'Žádné změny (re-sync)';
 $wb['is_diff_txt'] = 'The differences are highlighted';
-$wb['is_diff_inserts_txt'] = 'Insertions';
-$wb['is_diff_deletes_txt'] = 'Deletions';
-$wb['field_txt'] = 'Field';
-$wb['value_txt'] = 'Value';
-$wb['old_txt'] = 'Old';
-$wb['new_txt'] = 'New';
-$wb['btn_cancel_txt'] = 'Back';
-$wb['undo_txt'] = 'Undo action';
-$wb['undo_confirmation_txt'] = 'Do you really want to undo this action?';
+$wb['is_diff_inserts_txt'] = 'Vložení';
+$wb['is_diff_deletes_txt'] = 'Odstranění';
+$wb['field_txt'] = 'Pole';
+$wb['value_txt'] = 'Hodnota';
+$wb['old_txt'] = 'Starý';
+$wb['new_txt'] = 'Nový';
+$wb['btn_cancel_txt'] = 'Zpět';
+$wb['undo_txt'] = 'Vrátit akci';
+$wb['undo_confirmation_txt'] = 'Opravdu chcete tuto akci vrátit zpět ?';
 ?>
diff --git a/interface/web/sites/lib/lang/cz_aps_instances_list.lng b/interface/web/sites/lib/lang/cz_aps_instances_list.lng
index 8d712878d71f47ae1cda12f319e0765968ddd45a..db4494af0259af245294439ae9800b69b5d281d3 100644
--- a/interface/web/sites/lib/lang/cz_aps_instances_list.lng
+++ b/interface/web/sites/lib/lang/cz_aps_instances_list.lng
@@ -3,7 +3,7 @@ $wb['list_head_txt'] = 'Nainstalované balíčky';
 $wb['name_txt'] = 'Jméno';
 $wb['version_txt'] = 'Verze';
 $wb['customer_txt'] = 'Klient';
-$wb['status_txt'] = 'Status';
+$wb['status_txt'] = 'Stav';
 $wb['install_location_txt'] = 'Umístění instalace';
 $wb['pkg_delete_confirmation'] = 'Opravdu chcete smazat tuto instalaci ?';
 $wb['filter_txt'] = 'Hledat';
diff --git a/interface/web/sites/lib/lang/cz_web_aliasdomain.lng b/interface/web/sites/lib/lang/cz_web_aliasdomain.lng
index 57b920156d5b59864eb014e7bf7ca4f39a142438..0f8d3e5dec8edfb1a86dd2908a36ec9a7541b04e 100644
--- a/interface/web/sites/lib/lang/cz_web_aliasdomain.lng
+++ b/interface/web/sites/lib/lang/cz_web_aliasdomain.lng
@@ -95,7 +95,7 @@ $wb['pm_min_spare_servers_error_regex'] = 'PHP-FPM pm.min_spare_servers must be
 $wb['pm_max_spare_servers_error_regex'] = 'PHP-FPM pm.max_spare_servers must be a positive integer value.';
 $wb['hd_quota_error_regex'] = 'Harddisk quota is invalid.';
 $wb['traffic_quota_error_regex'] = 'Traffic quota is invalid.';
-$wb['fastcgi_php_version_txt'] = 'PHP Version';
+$wb['fastcgi_php_version_txt'] = 'PHP Verze';
 $wb['pm_txt'] = 'PHP-FPM Process Manager';
 $wb['pm_process_idle_timeout_txt'] = 'PHP-FPM pm.process_idle_timeout';
 $wb['pm_max_requests_txt'] = 'PHP-FPM pm.max_requests';
diff --git a/interface/web/sites/lib/lang/cz_web_backup_list.lng b/interface/web/sites/lib/lang/cz_web_backup_list.lng
index 9674e6197a2f1cb4256df548a622c78c78e4a660..d30e41d961b094dfdfdadfd6f0fa0399c2364da5 100644
--- a/interface/web/sites/lib/lang/cz_web_backup_list.lng
+++ b/interface/web/sites/lib/lang/cz_web_backup_list.lng
@@ -1,5 +1,5 @@
 <?php
-$wb['list_head_txt'] = 'Stávající zálohy';
+$wb['list_head_txt'] = 'Dostupné zálohy';
 $wb['date_txt'] = 'Datum';
 $wb['backup_type_txt'] = 'Verze';
 $wb['filename_txt'] = 'Záloha souborů';
@@ -16,6 +16,6 @@ $wb['filesize_txt'] = 'Velikost souboru';
 $wb['delete_backup_txt'] = 'Smazat zálohu';
 $wb['delete_info_txt'] = 'Bylo zahájeno odstranění zálohy. Tato akce může trvat několik minut než bude dokončena.';
 $wb['delete_confirm_txt'] = 'Opravdu chcete smazat tuto zálohu ?';
-$wb['delete_pending_txt'] = 'There is already a pending backup delete job.';
+$wb['delete_pending_txt'] = 'Již existuje čekající úloha pro odstranění zálohy.';
 $wb['backup_type_mongodb'] = 'MongoDB Database';
 ?>
diff --git a/interface/web/sites/lib/lang/cz_web_childdomain.lng b/interface/web/sites/lib/lang/cz_web_childdomain.lng
index e39dfc12eef8cb76b72802a54d40da8243f387fe..5a5091c89ada33af526142bd397654d4d2e35729 100644
--- a/interface/web/sites/lib/lang/cz_web_childdomain.lng
+++ b/interface/web/sites/lib/lang/cz_web_childdomain.lng
@@ -100,7 +100,7 @@ $wb['pm_min_spare_servers_error_regex'] = 'PHP-FPM pm.min_spare_servers must be
 $wb['pm_max_spare_servers_error_regex'] = 'PHP-FPM pm.max_spare_servers must be a positive integer value.';
 $wb['hd_quota_error_regex'] = 'Harddisk quota is invalid.';
 $wb['traffic_quota_error_regex'] = 'Traffic quota is invalid.';
-$wb['fastcgi_php_version_txt'] = 'PHP Version';
+$wb['fastcgi_php_version_txt'] = 'PHP Verze';
 $wb['pm_txt'] = 'PHP-FPM Process Manager';
 $wb['pm_process_idle_timeout_txt'] = 'PHP-FPM pm.process_idle_timeout';
 $wb['pm_max_requests_txt'] = 'PHP-FPM pm.max_requests';
diff --git a/interface/web/sites/lib/lang/cz_web_vhost_domain.lng b/interface/web/sites/lib/lang/cz_web_vhost_domain.lng
index 269b6b5862d549ed48817fe24bd3f69cbf41468c..deaa3269c404119e9adf80cdb112d3c8f5242cdf 100644
--- a/interface/web/sites/lib/lang/cz_web_vhost_domain.lng
+++ b/interface/web/sites/lib/lang/cz_web_vhost_domain.lng
@@ -130,13 +130,13 @@ $wb['variables_txt'] = 'Proměnné';
 $wb['added_by_txt'] = 'Kdo vytvořil účet';
 $wb['added_date_txt'] = 'Datum vytvoření účtu';
 $wb['backup_excludes_txt'] = 'Vyloučené adresáře';
-$wb['backup_excludes_note_txt'] = '(Separate multiple directories with commas. Example: web/cache/*,web/backup)';
-$wb['backup_excludes_error_regex'] = 'The excluded directories contain invalid characters.';
-$wb['server_chosen_not_ok'] = 'The selected server is not allowed for this account.';
-$wb['subdomain_error_empty'] = 'The subdommain field is empty or contains invalid characters.';
+$wb['backup_excludes_note_txt'] = '(Oddělte více adresářů čárkami. Příklad: web/cache/*,web/backup)';
+$wb['backup_excludes_error_regex'] = 'Vyloučené adresáře obsahují neplatné znaky.';
+$wb['server_chosen_not_ok'] = 'Vybraný server není pro tento účet povolen.';
+$wb['subdomain_error_empty'] = 'Pole subdomény je prázdné nebo obsahuje neplatné znaky.';
 $wb['btn_save_txt'] = 'Uložit';
 $wb['btn_cancel_txt'] = 'Zrušit';
-$wb['enable_spdy_txt'] = 'Enable SPDY/HTTP2';
+$wb['enable_spdy_txt'] = 'Povolit SPDY / HTTP2';
 $wb['load_client_data_txt'] = 'Nahrát údaje z podrobností registrovaného klienta';
 $wb['load_my_data_txt'] = 'Load my contact details';
 $wb['reset_client_data_txt'] = 'Obnovit údaje (resetovat)';
diff --git a/interface/web/sites/lib/lang/cz_web_vhost_subdomain.lng b/interface/web/sites/lib/lang/cz_web_vhost_subdomain.lng
index 2b6f3c77d25c1e644a6de5bef18192d472195ece..268368c139b6192ddf3c9dcc1b7580d4cad86572 100644
--- a/interface/web/sites/lib/lang/cz_web_vhost_subdomain.lng
+++ b/interface/web/sites/lib/lang/cz_web_vhost_subdomain.lng
@@ -123,7 +123,7 @@ $wb['variables_txt'] = 'Proměnné';
 $wb['backup_excludes_txt'] = 'Vyloučené adresáře';
 $wb['backup_excludes_note_txt'] = '(Oddělte více adresářů čárkami. Vzor: web/cache/*,web/backup)';
 $wb['backup_excludes_error_regex'] = 'Vyloučené adresáře obsahují neplatné znaky.';
-$wb['subdomain_error_empty'] = 'The subdommain field is empty or contains invalid characters.';
+$wb['subdomain_error_empty'] = 'Pole subdomény je prázdné nebo obsahuje neplatné znaky.';
 $wb['http_port_txt'] = 'HTTP Port';
 $wb['https_port_txt'] = 'HTTPS Port';
 $wb['http_port_error_regex'] = 'HTTP Port invalid.';