若要计算两个日期之间的差值，请使用 DATEDIF 函数。 首先将开始日期放入一个单元格，并将结束日期置于另一个单元格。 然后键入一个如下所示的公式。

Here's how to turn Bluetooth on or off in Windows 10: Select the Start button, then select Settings > Devices > Bluetooth & other devices.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Find out how to view the printer queue in Windows.

Copilot in Word ushers in a new era of writing, leveraging the power of AI. Check out this article to learn more.

Si votre achat d’Office incluait une clé de produit ou Microsoft 365, vous devez entrer votre clé de produit sur l’un des sites web listés ci-dessous pour votre produit.

Gezippte (komprimierte) Dateien belegen weniger Speicherplatz und können schneller auf andere Computer übertragen werden als unkomprimierte Dateien.

Training: Use rules to organize your email in Outlook. Create a rule based on a message, or from a template. Watch this online video to learn how.

Use Restrict Editing to protect parts that can or can't be changed, who can make changes, find areas you can edit, or unlock a protected document.

Preview, choose settings, and print a document. If you want multiple copies of a printout, change the number of copies in the Print page: