Note: In earlier versions of Outlook, IMAP accounts also used an Outlook Data File (.pst).In Outlook 2016 and Outlook for Microsoft 365, IMAP accounts use Offline Outlook Data Files (.ost). You can also use an Outlook Data File (.pst) to backup or export items from any type of email account.

Microsoft 365 for business. If your Microsoft 365 product is one of the following, you have a Microsoft 365 for business product. These products are usually associated with a work or school account, and your Microsoft 365 license (if your subscription has one) came from the organization where you work or go to school.

Explore the new and refreshed apps of Windows 11, from Photos to Microsoft Store. Watch the video and read tips to find tools to stay creative and productive, whether on your phone or on your PC.

Select OK.Type a password in both the Password and Verify Password text boxes and select OK again.. If you set a password, you must enter it every time that the data file is opened — for example, when Outlook starts or when you open the data file in Outlook.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

Erneutes Installieren von Microsoft 365. Wenn Microsoft 365 ursprünglich vorinstalliert war und Sie es auf demselben Gerät oder einem neuen Gerät neu installieren müssen, sollten Sie bereits über ein Microsoft-Konto verfügen, das Ihrer Kopie von Microsoft 365 zugeordnet ist.

This article describes an update for Universal C Runtime (CRT) in Windows. Before you install this update, check out the prerequisites section.. About this update. The Windows 10 Universal CRT is a Windows operating system component that enables CRT functionality on the Windows operating system.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

After you update a drop-down list, make sure it works the way you want. For example, check to see how to Change the column width and row height to show your updated entries. If the list of entries for your drop-down list is on another worksheet and you want to prevent users from seeing it or making changes, consider hiding and protecting that worksheet.

If you think someone might have unauthorized access to your account, we can protect you by signing you out from all of your trusted devices. Within 24 hours, you will be signed out of browsers, apps and anywhere else your account is used to sign in, except an Xbox console.