Learn how to turn on or off File validation in Word, Excel, and PowerPoint. Enable or disable it using Registry or Group Policy Editor.

Learn how to turn off Dynamic Data Exchange in Excel using this guide. Disable DDE Server in Excel using Options, GPEDIT, and REGEDIT.

One of the most common problems with some Excel workbooks (and other types of spreadsheets) is painfully slow load times and updates. There are three typical cuprits: too many calculations, too ...

In Excel spreadsheets, complex formulas are difficult to enter without making mistakes. Microsoft Excel’s LAMBDA() function can make such errors easier to find.

A few options exist for controlling some of Excel’s AutoFormat behavior.