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Follow through the remaining screens and when prompted, restart your computer. After you restart your computer, the uninstall tool automatically re-opens to complete the final step of the uninstall process. Follow the remaining prompts. Select the steps for the version of Office you want to install or reinstall.

More resources. Learn common SharePoint Online tasks with these videos and tutorials, and get links to more training for SharePoint and Office 365.

Codec packs add additional codec support to Windows. Apps like Media Player will then be able to play media files encoded in these formats. The following codecs packs are available: Adds support for the MPEG-1 and MPEG-2 video formats. Adds support for the HEVC (H.265) video format. Adds support for the VP9 video format.

If you're unable to activate Windows 11, the Activation troubleshooter could help. To use the troubleshooter, select Start > Settings > System > Activation , and then select Troubleshoot . You must be signed in as an administrator to use this option. If you're not already an administrator, for more info, see Create a local user or administrator ...

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security. Notes: What you actually see on the Device security page may vary depending ...

Windows 10. On a PC running Windows 10, select Start > File Explorer, or select File Explorer from the taskbar. Press and hold (or right-click) the MP4 file you want to play, select Open with , and then choose your preferred file player from the list of applications. Play MP4 files in Windows 10 by right-clicking the file and choosing what ...

Change your screen saver settings. Windows 10. Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings. In the Screen Saver Settings window, choose a screen saver from the drop-down list. Change your screen saver settings.

Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.

Add an extra layer of security with Personal Vault. Protect your most important files, like your passport, driver’s license, or insurance information with OneDrive Personal Vault. Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.