Get troubleshooting tips to fix problems with apps from Microsoft Store.

Find out how to access OneDrive settings and pause features with the OneDrive Activity Center. Learn how to customize your cloud storage and file sharing preferences.

This article shows you how to use the Fn key and the F lock key.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

Training: Watch and learn how to create an email contact group in Outlook so you can email the group instead of sending individual emails.

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

Learn how to get Outlook set up to work with Microsoft 365, POP, IMAP, or Microsoft Exchange-based email accounts.

Live captions helps everyone, including people who are deaf or hard of hearing, better understand audio by providing automatic transcription. To make more content accessible to more people, live captions now has the ability to provide translations and will turn any audio that passes through your PC into a single English-language caption experience.

Find the Recycle Bin. If your desktop shows no icons at all, right-click (or press and hold) the desktop and select View.If Show desktop icons has no checkmark, click it to add one. If that doesn't work, try this: