Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

You can set up an authenticator app to send a notification to your mobile device or to send you a verification code as your security verification method. You aren't required to use the Microsoft Authenticator app, and you can select a different app during the set up process.

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PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC.

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若要使用凭据登录到工作或学校帐户来添加帐户：. 打开Authenticator应用，然后选择“+”按钮，然后点击 “添加工作或学校帐户 ”。. 选择“ 登录 ”。. 输入工作或学校帐户凭据。. 如果有临时访问通行证 (TAP) 可以使用它进行登录。. 此时，可能会被以下条件 ...

Delay or schedule sending email messages in Outlook. Outlook for Microsoft 365 Outlook 2021 Outlook 2019 More... You can delay the delivery of an individual message by having it held in the Outbox for a specified time after you click Send. Select a tab option below for the version of Outlook you're using. What version of Outlook do I have? New ...

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