| Version | Change log |
| 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 |
| KLS Backup Professional 2025 (14.0.0 Jul 31, 2024 |
New major release: [NEW] Backup Scheduler: Backup Window allows selecting time periods when backups jobs are allowed to run [NEW] Backup Scheduler: supports user-mode (non-elevated mode) [NEW] Named Sources: easily change, move and restore backup sources [CHANGED] improved security and performance [CHANGED] minor changes and improvements |
| KLS Backup Professional 2023 (12.0.3 Jul 10, 2024 |
[CHANGED] minor user interface changes [FIXED] switching from an incremental to full backup may fail when the "files changed" percentage option is enabled [FIXED] some files were not deleted after a backup job has been aborted [FIXED] forcing an incremental backup may not work when the job is started manually [FIXED] minor fixes |
| KLS Backup Professional 12.0.3.1 May 9, 2024 |
