Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Note: The TEXT function converts numbers to text, which may make it difficult to reference in later calculations.It’s best to keep your original value in one cell, and then use the TEXT function in another cell. Then, if you need to build other formulas, always reference the original value and not the TEXT function result.

注意: 在Windows中获取驱动程序更新的最佳和最安全的方法始终是通过Windows 更新。如果在Windows 更新时遇到问题，则可能会看到 Update Windows 中的任何链接是否可帮助你先解决问题。

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages.. Select File > Options > Mail > Signatures.

Notes: You don't need a smartphone to receive a security code. Text messages may come from either "MSFT", a short number, or a mobile number.If you have requested a security code, you can trust the message that arrives.

For fast and simple editing, we've added Clipchamp as the official Microsoft video editor. Microsoft Clipchamp comes preinstalled on Windows 11 devices. To open Clipchamp, go to the search box on the taskbar, type Clipchamp, and select it from the results.Or you can select Start , then select All apps and scroll down to find Clipchamp in the list of apps.

If you open an Office file from your recent files list via the Taskbar or the Office app, you will need to open the file as described above to enable AutoSave.. To check, hover your mouse over the recent list: Files that begin C:\Users\ in their path will not open with AutoSave, but files with https:// will.. Close and re-open the file from within the Microsoft 365 app, not the recent file list.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Select the temporary files, unused files, files synced to the cloud, or unused apps you want to remove, then select the Clean up button for each section.