To add another account to OneDrive on your computer. If you already have a personal OneDrive account set up, you can only add work or school accounts.

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 ...

If you weren't able to change your password. If you couldn't change your password this way, see Reset your Microsoft account password. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

Note: The scan creates a backup file during the repair process.To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or choose Browse to select the file you want to use. You may need to run the tool several times in order to repair your Outlook Data File.

Type about in the search box on your taskbar, and then select About your PC.. View your PC info

In the following example we used the formula =FILTER(A5:D20,C5:C20=H2,"") to return all records for Apple, as selected in cell H2, and if there are no apples, return an empty string ("").

附註: 如果您使用Microsoft 帳戶登入 ，例如 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶，而不是公司或學校帳戶，請登出，然後使用正確的帳戶再次登入。 不確定您是使用哪個帳戶登入嗎？ 在 Outlook 導覽標頭中選取 [客戶 管理員]。 如果您不是使用您想要的帳戶登入，請選取 [ 登出] 並再次開始程式 ...

Under Choose default signature, set the following options.. In the E-mail account drop-down box, choose an email account to associate with the signature. You can have different signatures for each email account. You can have a signature automatically added to all new messages. Go to in the New messages drop-down box and select one of your signatures. If you don't want to automatically add a ...