v-excel-lock v2.2: Automated Encryption & Modernization for All Excel Formats

Dealing with legacy .xls (Excel 97-2003) files is a common headache when handling reports from older ERP/CRM systems. These files are often incompatible with modern automation flows and lack robust encryption.

v-excel-lock v2.2.0 introduces a game-changing engine: it doesn’t just encrypt modern .xlsx files—it intelligently reads legacy .xls binaries and automatically upgrades them into password-protected, modern .xlsx files.

Key Advantages

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• Universal Compatibility: Monitors both modern .xlsx and legacy .xls files simultaneously. Features a built-in binary parser that works without Microsoft Office.
• Auto-Modernization: Upon detecting an .xls file, the tool extracts data and reconstructs it into a modernized .xlsx container, upgrading your documents while securing them.
• Unattended Automation: Just drop your exported reports into the source folder. The bot scans every 5 seconds, handling the entire “Scan-Rebuild-Lock-Archive” workflow automatically.
• Enterprise-Grade Security: Utilizes standard Office AES encryption. Protected files are fully compatible with Microsoft Excel, WPS, and LibreOffice.
• Zero Dependencies: Built with pure Go. A single portable binary with no need for COM+ components or installed office software. Perfect for server or background deployment.

Best Practices

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• Automated Finance Workflows: Convert and lock legacy XLS system exports into secure XLSX files instantly for email distribution.
• Sensitive Data Hardening: Batch-protect historical archives with unified or unique passwords to prevent unauthorized access.

Configuration Example (tasks.txt)

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# TaskName | SourceDir | DestinationDir | Password
Payroll_Lock | ./salary_raw | ./salary_protected | Pass888
Client_Sync | C:\Exports | D:\Safe_Storage | Client@2026

⬇️ Download v-excel-lock_v2.2.zip

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Version: 2.2.0 | System: Windows (x64), Linux