Change your screen saver settings. 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.

This article explains how to zip and unzip files.

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

Learn how to troubleshoot and fix problems setting up your email in Outlook.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

Learn about how tracking prevention works in Microsoft Edge. Adjust your tracking prevention setting to detect and block known trackers.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

Important: Steps may be different between new and classic Outlook for Windows. To determine which version of Outlook you're using, look for File on the ribbon.If there's no File option, follow the steps under the New Outlook tab. If the File option appears, select the tab for Classic Outlook.

This page provides phone numbers of Microsoft customer service.

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