Find out what parts of a PDF file will look correct and which won't when you open them in Word, and what to do about it.

Search for files. Looking for an older file? Search is a powerful tool to find all your online files. Type a word or phrase in the Search box.

Need help setting up an Xbox account or signing in to Xbox on your console, PC, or mobile device? This solution will help you sign in or create a new account.

可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。

Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

How to find and remove duplicates in Excel. Filter for unique values in large or small datasets to clean up your worksheets and workbooks.

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

Structured references make it easier to use formulas with Excel tables by replacing cell references, such as C2:C7, with predefined names for the items in a table.

Microsoft Edge comes with built-in accessibility options such as making text larger, having the web read aloud to you, keyboard shortcuts, and more.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.