If you want to pin an Office Excel, Word, or PowerPoint Document on a Windows computer, mobile, or tablet, check this guide.

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

Inserting a lot of columns or rows in Microsoft Excel is awkward and prone to mistakes. When you need to enter dozens or more columns, use this VBA procedure for ease and accuracy.