Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.

Training: Learn how to quickly get started with Microsoft 365, share and collaborate, work in Microsoft Teams, work from anywhere, and try cool Microsoft 365 features.

Surface Pro 7 features Work your way. Transform Surface Pro 7 from a tablet to a laptop with the Kickstand and Surface Signature Type Cover. Use the USB-C and USB-A ports to connect to displays, docking stations, and your accessories.

Important: To remove tracked changes, you must accept or reject them.To remove comments, you must delete them. Choosing the No Markup view only temporarily hides changes and comments. They will be visible again the next time someone opens the document.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

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The IFS function checks whether one or more conditions are met and returns a value that corresponds to the first TRUE condition. IFS will allow you to include up to 127 pairs of conditions (the test if something is True and the result if something is true). IFS can take the place of multiple nested IF statements.

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.

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。