2. Verify your identity. For your protection, Microsoft must verify your identity before you can proceed with resetting your password. Choose how you want to receive a verification code.

1. Sign in with your Microsoft account. You will be prompted to Sign in with Microsoft account. If you have an existing Microsoft account on your mobile device then you will be asked to confirm your account, then click Continue.. If you don't have an existing Microsoft account on your mobile device then you will be asked to sign into your account or create a new one, then click Continue.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Select Add a keyboard and choose the keyboard you want to add. If you don't see the keyboard you want, you may have to add a new language to get additional options. If this is the case, go on to step 4.

When in the new Teams, turn on (or off) notifications by selecting Settings and more at the top of the new Teams, then selecting Settings > Notifications > Open Windows notifications settings.Find Microsoft Teams (work preview) in the apps list and set your preference.

Turn Track Changes on and off. Go to Review > Track Changes. When Track Changes is on, the section is highlighted. Deletions are marked with a strikethrough, and additions are marked with an underline.

Contact Microsoft Office Support. Professional Direct Support for Microsoft 365 provides additional advisory support and proactive services to help plan, implement, maintain, and optimize Microsoft 365 solutions that align to your business's needs, as well as reactive support to assist you along the way.

在需要添加参与者的现有群聊中选择或处于活动状态。 在 Teams 右上角的个人资料图片下方选择“ 查看并添加参与者 ”，然后选择“ 添加人员 ”。 选择添加的参与者的姓名，然后选择是否以及要包含多少聊天历史记录。

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store.Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.