| Version | Change log |
| KLS Backup Professional 2025 (14.0.3 Feb 27, 2026 |
[CHANGED] improved OAuth2 management [CHANGED] updated 7z engine [FIXED] fixed an issue where OneDrive file transfers could result in a 401 Unauthorized error [FIXED] fixed a rare crash when executing external console applications [FIXED] minor fixes and improvements |
| KLS Backup Professional 2025 (14.0.3 Jan 20, 2026 | FIXED: backup testing or restore may crash in some cases |
| KLS Backup Professional 2025 (14.0.3 Jan 15, 2026 |
[NEW]: SFTP authentication using a private key [NEW]: new MySQL plugin with SSL and SSH tunnel options [CHANGED]: Zip: standard encryption has been deprecated [FIXED]: database restore could fail due to a password error [FIXED]: Cloud: connection could fail with an SSL/TLS negotiation error |
| KLS Backup Professional 2025 (14.0.3 Dec 18, 2025 |
[NEW]: settings are protected using user-specific authentication secrets [NEW]: uploaddownload speed is displayed in the progress dialog [NEW]: Amazon S3: added SHA-256 checksum to verify upload integrity [CHANGED]: Restore: reguires less local space when testing or restoring [CHANGED]: force full backup when the previous cataloged full backup is deleted [CHANGED]: improved network connection dialog (network share) [FIXED]: main screen may become unrponsive when deleting archives [FIXED]: global cloud speed limits were not applied correctly [FIXED]: some files were not included in incremental backups [FIXED]: minor fixes and improvements |
| KLS Backup Professional 2025 (14.0.2 Oct 17, 2025 |
CHANGED: Backup engine: improved reliability FIXED: an issue where older backup profiles were not updated correctly FIXED: minor fixes and improvements |
| KLS Backup Professional 2025 (14.0.2 Oct 11, 2025 |
[CHANGED] Backup Service: the recommended account is now Local System instead of an Administrator [CHANGED] improved installer [FIXED] fixed issues with certain network related error messages [FIXED] Task Scheduler: scheduled jobs may not run when elevated privileges are required |
| KLS Backup Professional 2025 (14.0.2 Oct 3, 2025 |
[CHANGED] Backup Service: the recommended account is now Local System instead of an Administrator [CHANGED] improved installer [FIXED] fixed issues with certain network related error messages [FIXED] Task Scheduler: scheduled jobs may not run when elevated privileges are required |
| KLS Backup Professional 2025 (14.0.1 Jan 31, 2025 |
[NEW] Translations (german, spanish) [NEW] SQLite database backup [CHANGED] In User-mode, the application will run non-elevated when started by an administrator [FIXED] fixed an error while recovering the main catalog [FIXED] minor fixes and improvements |
| KLS Backup Professional 2025 (14.0.0 Dec 13, 2024 |
[NEW] compatibility with Windows Server 2025 [NEW] Synchronization: option to delete remote files before upload (may disable versioning on cloud storage) [NEW] Cloud: option to specify Google project id when using the Interoperability API [NEW] User interface: option to disconnect when browsing remote content [CHANGED] Backup: improved performance when using multipart upload [FIXED] User interface: archive view options were not saved [FIXED] fixed a filename decoding issue when using OneDrive [FIXED] SFTP: failed to reconnect in some cases [FIXED] minor fixes and improvements |
| KLS Backup Professional 2025 (14.0.0 Aug 31, 2024 |
[CHANGED] SFTP: supports new key encryption algorithms [CHANGED] now is possible to delete cloud containers (buckets) in the folder browser [FIXED] importing settings from a compressed export may fail [FIXED] fixed a problem when deleting archives from a removable drive [FIXED] minor fixes |
