Excel Backup Manager Skill

Safe Excel file backup and restore functionality

Overview

This skill automates Excel file backup management following CLAUDE.md safety protocols.

Key features:

• Automatic timestamped backups: file.xlsm → file.backup.20251211_143000.xlsm
• Backup listing: View all available backups
• Selective restore: Restore from any previous backup
• Cleanup: Remove old backups while preserving recent ones

When to Use