Learn how to find out the size of your mailbox and its folders and how to compact Outlook Data Files (.pst and .ost), which might help improve performance.

Troubleshoots and fixes common issues with security and malware prevention in Windows.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Remove a manual page break. Go to Home and select Show/Hide .. This displays page breaks while you’re working on your document.

Learn how to customize the Quick Link menu and other navigation on your SharePoint site.

Create a simple formula to multiply and divide in an Excel spreadsheet. You can multiply two or more numbers in one cell or multiply and divide numbers using cell references. All formulas in Excel begin with an equal sign (=).

To return to the original settings later, go to Design > Paragraph Spacing and choose the option under Style Set.This may be Default or the name of style you’re currently using.. Change the line spacing in a portion of the document. Select one or more paragraphs to update.

Learn how to find the serial number on your Surface so you can register your product or request service.

Show the ribbon when hidden, and set options to shows tabs and commands, just tabs, or automatically hide the ribbon for the maximum document space.

Erfahren Sie, wie Sie einen Windows-Product Key für die Aktivierung finden und wann Sie stattdessen eine digitale Lizenz verwenden.