It looks like you're referring to KLS Backup Professional 2023 version 12.0.3.0 (64-bit). This is a backup and synchronization tool for Windows.
If you're asking about a useful feature of that specific version, here are some notable ones:
File Backup to Multiple Destinations
Supports local drives, network shares, FTP/SFTP, WebDAV, Amazon S3, Google Drive, and OneDrive.
Open File Backup (VSS)
Uses Volume Shadow Copy to back up files locked by other applications (e.g., Outlook PST files, databases).
Compression & Encryption
Zip compression (with Unicode support) and AES 256-bit encryption for secure backups.
Versioning & Cleanup
Keeps multiple backup versions (full/differential/incremental) with automatic cleanup rules.
Scheduler & Email Notifications
Built-in scheduler with detailed logs and email reports.
Restore as Copy or Original Path
Flexible restore options, including restoring to an alternate location.
If you were trying to ask something else — like how to get it, compare it, or solve a problem — please clarify and I’ll give a more specific answer.
KLS Backup Professional 2023 (v12.0.3.0) is a comprehensive backup, synchronization, and archiving solution designed for individual workstations and servers. As of April 2026, the 2023 edition remains the final version to offer long-term support for legacy systems like Windows Server 2008 R2. Core Capabilities
Versatile Backup Sources: Backs up data from local/network drives, cloud storage (Amazon S3, Azure, Google Cloud), and databases (SQL Server, MySQL).
Advanced Scheduling: Features a built-in scheduler service for automated jobs and a "Backup Window" to restrict job execution to specific timeframes.
Compression & Security: Uses standard ZIP and 7z formats with AES-256 encryption and SSL/TLS support for secure remote transfers.
Version Management: Maintains a library of backup history, allowing one-click restoration of specific file versions from full, incremental, or differential archives. Key Features in Version 12.0.3.0
The v12.0.3.x series focused on refining performance and security:
Named Sources: Simplifies moving and restoring backup sources without reconfiguring entire profiles.
User-Mode Support: The scheduler can run in non-elevated mode, improving overall system security. KLS Backup Professional 2023 12.0.3.0 -x64- wit...
Parallel Processing: Supports segmented uploads for faster cloud backup performance.
Expanded Cloud Support: Includes modern app authentication for OneDrive and broad provider support for Box, Backblaze B2, and OpenStack. Technical Specifications Professional Edition Details Operating Systems Windows 11/10/8.1/7; Server 2022 to 2008 R2 (32/64-bit) Backup Types Full, Incremental, Differential, and Mirror (Uncompressed) Storage Targets
Local/Network drives, FTP/SFTP, WebDAV, and major Cloud providers Reporting Detailed logs (TXT/HTML) and email notifications Extra Tools Web Interface (Monitor) and Command Line Interface Licensing and Updates
KirySoft offers Perpetual Licenses that do not require subscription fees.
Normal License: Includes all maintenance updates for the same minor version (e.g., 12.0.0 to 12.0.x).
Upgrade Policy: While 2023 is no longer the latest major release (superseded by KLS Backup 2025), it continues to receive minor bug fixes and security improvements. Professional Software Solutions - KLS SOFT
KLS Backup Professional 2023 12.0.3.0 is a robust backup and synchronization solution designed for complex data protection across local drives, network locations, and extensive cloud services. Key Features of Version 12.0.3.0
The 2023 release series focused on enhanced security and stability. Notable updates in this minor version include:
Strengthened Security: Improved encryption in "each file" backup mode, increasing master key iterations to 1 million for better brute-force resistance.
Improved Reliability: Fixed an "unknown archive" error that previously occurred when restoring backups with a high volume count.
Maintenance Support: This version is part of the final series to offer long-term support for Windows Server 2008 R2. Core Capabilities
Versatile Storage: Back up to local/network drives, SFTP, FTP, WebDAV, or cloud providers like Amazon S3, Google Cloud Storage, OneDrive, and Dropbox.
Multi-Mode Backup: Supports Full, Incremental, and Differential backup types using industry-standard ZIP and 7z compression with AES encryption.
Database & App Support: Native plugins for backing up Microsoft SQL Server, MySQL, and application data from Outlook and Thunderbird.
Two-Way Sync: Includes a powerful synchronization engine to mirror or update folders between different locations.
64-bit Engine: The x64 version utilizes a native 64-bit backup engine for optimal performance on modern Windows systems. It looks like you're referring to KLS Backup
For detailed configuration guides or troubleshooting, you can visit the KLS Soft Knowledge Base or check the official version history for the latest minor fixes. Professional Software Solutions - KLS SOFT
KLS Backup Professional 2023 (version 12.0.3.0) is a comprehensive backup and synchronization solution designed for Windows environments, including long-term support for legacy systems like Windows Server 2008 R2. This 64-bit edition is optimized for modern hardware, providing high-performance data protection across local drives, network locations, and various cloud platforms. Core Capabilities
Flexible Backup Strategies: Supports full, incremental, and differential backups to balance storage efficiency with recovery speed.
Broad Destination Support: Back up data to local and network drives, SFTP/FTP/WebDAV servers, or cloud services like Amazon S3, Microsoft Azure, Google Cloud, OneDrive, and Dropbox.
Secure Data Handling: Features advanced AES 256-bit encryption and supports standard compression formats such as Zip, Zip64, and 7z.
Database & Application Protection: Includes specialized plugins for backing up Microsoft SQL Server, MySQL databases, and application data from Outlook or Thunderbird.
File Synchronization: Provides a two-way synchronization engine to keep files consistent across multiple locations, including cloud-to-cloud sync. Technical Features
Backup Scheduler: Includes a built-in scheduler service for unattended jobs, allowing you to set specific "Backup Windows" for when jobs are permitted to run.
Volume Shadow Copy (VSS): Allows for the backup of open or locked files, ensuring consistency for active databases and system files.
Management Tools: Offers an integrated workspace for profile management, a command-line interface for automation, and a web-based monitor for remote status tracking.
Version History: Maintains a library of backup history, enabling selective restoration of specific file versions to original or custom locations.
While KLS Backup 2023 is a stable release, more recent versions like KLS Backup 2025 offer updated cloud compatibility and enhanced UI settings. Professional Software Solutions - KLS SOFT
Overview
KLS Backup Professional is a powerful and flexible backup tool that allows users to create and manage backups of their important data. The software is available in both 32-bit and 64-bit versions, with the 2023 12.0.3.0 being the latest iteration for x64 systems.
Key Features
User Interface and Experience
The user interface of KLS Backup Professional is intuitive and easy to navigate, making it accessible to users of varying technical expertise. The software's dashboard provides an overview of backup jobs, including their status, completion time, and any errors that may have occurred.
System Requirements
KLS Backup Professional 2023 12.0.3.0 -x64- requires a 64-bit version of Windows 10, 8.1, 8, 7, or Server 2012/2012 R2/2016/2019.
Conclusion
KLS Backup Professional 2023 12.0.3.0 is a reliable and feature-rich backup solution that offers users a high degree of control over their data protection processes. Its support for various backup types, destinations, and scheduling options makes it an excellent choice for individuals and organizations seeking to safeguard their important data.
Rating: 4.5/5
Recommendation: KLS Backup Professional is recommended for users who require a robust and customizable backup solution for their Windows systems.
Here is some text related to KLS Backup Professional 2023 12.0.3.0 x64:
Software Description: KLS Backup Professional 2025 12.0.3.0 x64 is a powerful and feature-rich backup and disaster recovery software designed for Windows operating systems. Developed by KLS Soft, this software provides a comprehensive solution for backing up and restoring files, folders, and entire systems.
Key Features:
System Requirements:
What's New in Version 12.0.3.0:
Technical Details:
This software provides a reliable and efficient way to backup and restore your important data, ensuring business continuity and minimizing downtime in case of data loss or system failure.
The built-in scheduler runs as a Windows service, meaning backups occur even when no user is logged on. Triggers include:
For power users: Full command-line interface (CLI) support allows integration with batch files, PowerShell, or RMM tools. File Backup to Multiple Destinations Supports local drives,
KLS Backup doesn't just copy your files; it packages them. It supports popular formats like ZIP, 7-Zip, and SQX. Furthermore, if you are backing up sensitive documents, the software offers strong encryption (AES-256). This ensures that even if your backup drive is stolen, your data remains inaccessible to unauthorized users.