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Use the web version of Outlook like a desktop app
When you install the web version of Outlook as a progressive web app, you can do things like pin and launch the web version of Outlook from your computer's home screen or task bar and access your account while you're offline. ...
适用于: 适用于 Office 365 的 Outlook Web App, 适用于 Office 365 小型企业版的 Outlook Web App, Outlook 网页版, Outlook.com, 适用于 Exchange Server 2019 的 Outlook 网页版
Turn on automatic app updates - Microsoft Support
App publishers sometimes update their apps to add new features and fix problems. Microsoft Store on Windows can automatically install app updates. Select the Start button, then search for and select Microsoft Store.
Manually add an account to the Microsoft Authenticator app
If your camera is unable to capture the QR code, you can manually add your account information to the Microsoft Authenticator app for two-factor verification. This works for work or school accounts and non-Microsoft accounts. The codes provided for your accounts aren't case-sensitive and don't require spaces when added into the Authenticator app.
Set up an authenticator app as a two-step verification method
Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.
Fix problems signing in to the Xbox app - Microsoft Support
On your PC, go to Xbox.com and select Sign in.If there are problems with your account, the instructions will help you solve them. If you can’t go beyond the sign-in screen, select Forgot my password and follow the instructions.
Reinstall Office from the Microsoft Store app
If your Office product doesn't include a product key and can be activated without your Microsoft account, you must reinstall Office from the Microsoft Store app. Reinstall Office 2021 from the Microsoft Store Library. Select Start and then open the Microsoft Store app on your Windows device.
适用于: Office 2021
Manage app passwords for two-step verification - Microsoft Support
Create and delete app passwords using the Office 365 portal. If you use two-step verification with your work or school account and your Microsoft 365 apps, you can create and delete your app passwords using the Office 365 portal. To create app passwords using the Office 365 portal
How to get and use app passwords - Microsoft Support
After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead. An app password is a long, randomly generated password that you provide only once instead of your regular password ...
Which OneDrive app? - Microsoft Support
Note: ♦ Beginning January 1, 2022, we are ending support for selected OneDrive desktop apps running on Windows 7, 8, and 8.1. Learn more. 1. Personal Vault only applies to OneDrive Personal, and is not yet available in all markets. 2.
How to use the Camera app - Microsoft Support
Note: To keep the Camera app from using the camera, turn off the camera completely. Drag the app to the bottom of the screen and hold it there until the app flips over. If you have problems with the Camera app after changing privacy settings, close it and re-open it.