Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN.

Notes: If someone is already part of a family group, they must leave or be removed from that group before joining another. They can also create a new Microsoft account to associate with a new family group. Explore Microsoft Family Safety features and benefits.

另请参阅. 如果找不到 Microsoft Store，请参阅 在 Windows 10 中查找 Microsoft Store 时遇到问题的疑难解答。. 如果在启动 Microsoft Store 时遇到问题，请参阅 Microsoft Store 无法启动。. 如果可以启动 Microsoft Store，但只是在查找或安装应用时遇到问题，请参阅 我无法从 Microsoft Store 找到或安装应用。

Change Internet Explorer settings. There are many changes you can make to customize your browsing experience in Internet Explorer. To view all settings and options, open Internet Explorer on the desktop, select Tools > Internet options.. Reset Internet Explorer settings

Change your default security info method. If you want text messaging to be the default method used when you sign in to your work or school account using two-factor verification or for password reset requests, you can set it from the Security info page.

For Windows 8 or Windows 8.1, swipe in from the right edge of the screen, and tap Search. If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and click Search.Type File Explorer in the search box, and then tap or click File Explorer.

Every time you enter payment info on a website, Microsoft Edge will ask you if you want to save the card. Once payment info like credit and debit card numbers are securely stored in the browser, you don’t have to remember and enter this info each time you buy something online.

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.

Note: In earlier versions of Outlook, IMAP accounts also used an Outlook Data File (.pst).In Outlook 2016 and Outlook for Microsoft 365, IMAP accounts use Offline Outlook Data Files (.ost). You can also use an Outlook Data File (.pst) to backup or export items from any type of email account.