The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

How to send automatic out-of-office replies from Outlook (depending on the type of email account you have).

Find your Wi-Fi network password in Windows, so you can connect to your Wi-Fi network on other devices.

How to add and request read receipts and delivery notifications in Outlook.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

Explore your options and settings when you install add-ins.

If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.

如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。