Excel Freezing or Crashing
Excel becomes unresponsive, especially with large files, or crashes outright with "Excel has stopped working."
Before you start: save any open work and note down what you were doing when the problem started — that context helps if you need to search further or ask for help.
- Start Excel in Safe Mode (hold Ctrl while opening it) — if the freezing stops, a third-party add-in is almost certainly the cause.
- Disable add-ins one at a time via File > Options > Add-ins > Manage: COM Add-ins > Go to find the specific one responsible.
- Check the file size and complexity — workbooks with heavy conditional formatting, thousands of formulas, or large embedded images are a common cause of freezing regardless of PC specs.
- Update Excel: File > Account > Update Options > Update Now, since freezing bugs are frequently patched in monthly Office updates.
- Run a Quick Repair from Settings > Apps > Installed apps (Windows 11) or Apps & features (Windows 10) > Microsoft 365/Office > Modify, and try Online Repair if Quick Repair doesn't resolve it.
Still not fixed? Send us the details and we'll help you dig further, or browse related guides in Excel Errors & Fixes.
Frequently Asked Questions
Could a large file just be too big for my computer to handle?
Yes, a genuinely huge or complex spreadsheet (heavy formulas, many rows, large embedded images) can push slower hardware to its limit — that's a real, different cause from a crash-inducing bug or corruption.
Is Ctrl+Break safe to use, or could it damage my file?
It's completely safe — it just interrupts the current calculation or macro. It won't corrupt your file or lose data you've already saved.
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