Install the S/MIME control. Get a certificate, sometimes referred to as a key or digital ID. The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk.

Find it. To get to This PC in Windows 10, open File Explorer from the taskbar and select This PC in the left pane.. Pin it to Start. If you want This PC to show up in your Start menu, open File Explorer, right-click (or press and hold) This PC in the left pane, and then select Pin to Start. Now, there's a This PC tile on the Start menu.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

通过查看管理员上方是否显示了电子邮件地址，确认管理员帐户是否还是你的 Microsoft 帐户。如果显示了电子邮件地址，则这是 Microsoft 帐户。 如果未显示，则表示你已使用本地帐户登录。 如果你还没有 Microsoft 帐户，请参阅 如何创建新的 Microsoft 帐户。

Note: If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel.If you have a standalone application such as Word or Excel, search for the application name.

Symptoms. Some floating-point math library functions in the Visual C++ 2013 x64 C Runtime (CRT) do not correctly check whether certain AVX and FMA3 instructions are available before the functions try to use them.

Cookies are small pieces of data stored on your device by websites you visit. They serve various purposes, such as remembering login credentials, site preferences, and tracking user behavior.

Ensure these modes create an alert that is visible on your device. Make sure you have a device signal and Internet connection. Make sure your phone calls and text messages are getting through to your mobile device.

查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。

Support reading and writing by using Immersive Reader to customize how word documents appear while you read and edit. Immersive Reader provides options for a comfortable and easy to process experience by allowing you to listen to the text read aloud or adjust how text appears by modifying spacing, color and more.