Choose One or Both
SheetGuard has two parts. Pick what you need.
Recommended first
AI Blocker
Stops Copilot from accessing your spreadsheet data.
- Adjusts Windows registry settings
- Takes 30 seconds
- No admin rights required
Excel Add-in
Streamlines your Excel workflow on Windows and Mac.
- Organize tabs into folders
- Undo anything instantly
- Protect filtered views
- Installs in one click
What's the difference?
The AI Blocker is a small desktop app that adjusts Windows registry settings to disable Copilot. The Excel Add-in runs inside Excel and adds features like Tab Folders and Smart Undo. They work independently — install one or both.