If Microsoft Excel is very slow to respond or stops working on your Windows computer, please read through this article for working fixes.

If Excel stops responding when switching between worksheets, follow the suggestions in this post to resolve the problem without losing data.

ACCELERATE A SLOW-OPENING MASSIVE EXCEL FILE My work requires the use of several very large Excel files, and they take forever to open. In fact, they even take a long time to save and close. I’ve ...

Office File Validation An add-in released by Microsoft in Office 2010, which included updates for Office 2003 and 2007, called "Office File Validation" can slow down Excel when it loads a spreadsheet.