Sign out of Teams. While it's a good idea to remain signed in to continue receiving chats, notifications, incoming calls, and other activities, sometimes you might want to sign out of Teams to use another account or for other reasons.

Organize your ideas. Collections help you keep track of your ideas on the web - shopping, planning a trip, research, or just want to pick up where you left off.

After you send an email message, you might want to find that email and resend it or forward it to someone else. Outlook stores your messages in the Sent Items folder.If you don't see the Sent Items folder, you may need to change your Outlook settings.. You can find your Sent Items folder in your folder list.

Windows devices may get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR).. Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Dictation lets you use speech-to-text to author content in Microsoft 365 with a microphone and reliable internet connection. It's a quick and easy way to get your thoughts out, create drafts or outlines, and capture notes.

Use date and time functions to create formulas that return serial numbers, display a specific date or time, or that calculate the difference between dates or times.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

If the Encrypt contents to secure data check box is selected, you have to have the certificate that was used to encrypt the file or folder to be able to open it. In this situation, you should obtain the certificate from the person who created or encrypted the file or folder, or have that person decrypt the file or folder.

Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.