Learn how to fix graphics device driver error code 43 in Windows 10.

Learn how to remove passwords from your Microsoft account to increase security.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

Create a template for email messages that you frequently send with similar contents.

Training: With a subscription to Microsoft 365, you get the latest apps like Microsoft Excel, Word and PowerPoint, storage, and updates.

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Outdated software can cause problems with a Windows upgrade, so removing old or nonessential applications can help. If you plan to reinstall the application later, make sure you have the installation media and all required activation information before removing it.

Learn how to personalize your Windows PC with themes, desktop backgrounds (wallpaper), and language packs.

RAND returns an evenly distributed random real number greater than or equal to 0 and less than 1. A new random real number is returned every time the worksheet is calculated.

When your old email address or phone number doesn't suit you anymore—but you want to retain your contacts, online storage, subscriptions, and settings—you can add a new email address or phone number as an alias to your existing Microsoft account.