The OR function returns TRUE if any of its arguments evaluate to TRUE, and returns FALSE if all of its arguments evaluate to FALSE.. One common use for the OR function is to expand the usefulness of other functions that perform logical tests. For example, the IF function performs a logical test and then returns one value if the test evaluates to TRUE and another value if the test evaluates to ...

Read here how you use a USB flash drive or a SD card in Windows 7 for Windows ReadyBoost.

If you're having trouble detaching or attaching your Surface Book keyboard, here are some steps to try to get things working again.

With the Microsoft Forms Quick Poll add-in for Outlook or Outlook Web App, you can create a poll in seconds right within an email message.

Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.

Use Find my device to locate and lock your lost or stolen Windows devices.

After you've signed up for Microsoft 365, you and your employees can install your Office apps. From the admin center, select Office software.. Choose a language, and then select Install.. When prompted, select Run.. Select Yes to allow the app to make changes to your device.. The installation may take several minutes, depending on your Internet speed.

Learn how to enter reading mode in Microsoft Edge and use Immersive Reader to hear webpages and PDFs read out loud.

如果你从 Microsoft 购买了产品，则可以请求退款、换货或退货。

Learn how to convert Word to PPT and take your presentations to the next level. Transform your Word documents into stunning PowerPoint presentations.