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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.

Outlook 2021 for Windows lets you better manage your inbox with the addition of new capabilities including Search at Top and Translator. If you're upgrading to Outlook 2021 for Windows from Outlook 2019, for Windows you'll still have all the features you're used to—and you'll notice a few new ones as well!

Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.

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Word 2021 for Windows enables you to create compelling content and includes co-authoring, new stock media from the Office Premium Creative Content collection, and new Draw tab additions such as Point Eraser, Ruler, and Lasso.

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

C1 is the upper left cells of the range (also called the starting cell).. MATCH("Oranges",C2:C7,0) looks for Oranges in the C2:C7 range. You should not include the starting cell in the range. 1 is the number of columns to the right of the starting cell where the return value should be from. In our example, the return value is from column D, Sales. Top of Page

Cloud files can exist locally on the disk or be available online only. To choose the conditions for when inactive files are made online only, under Content will become online-only if not opened for more than: choose your preferred amount of time. Note that starting in Windows 11, version 22H2, the default for OneDrive cloud files is to make files online-only if not opened for more than 30 days.