Delegate access is when you give someone permission to access your mailbox or specific folders in your mailbox with the added ability of being able to create and respond to messages on your behalf.

兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Create list views to organize, sort, and filter data in different and specific ways; change the metadata, such as adding and deleting columns, and modifying validation rules; and use lists consistently across sites with content types, site columns, and templates.

If you forgot your work or school password, never got a password from your organization, or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password.

Learn about the quotas and differences between Microsoft storage and email storage.

Learn about what to consider when you want to manually transfer a Microsoft 365 Family or Personal subscription from one Microsoft account to another.

Switch the format of email messages, which controls formatting options that are available such as colors, fonts, and tables.

If your account has been hacked it means that someone stole your password and might be using your account to access your personal information or send junk email.

Have Excel automatically fill your data when it detects a pattern. For example, the months of the year, the days in a month, or a sequence of numbers. You can also parse data, like splitting first and last names out of a column, or concatenate data, like joining first and last names from two columns.