Active content is additional functionality in a file or program, such as macros, add-ins, or data connections. This article lists types of active content that can be blocked by settings in Trust Center and which, when present in a document, cause display of the Message Bar when you open your file.

If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.

Learn how to install OneDrive and sync your OneDrive files to your Mac OS X computer.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

Erfahren Sie, wie Sie Sound- oder Audioprobleme in Windows beheben.

Use data validation rules to control the type of data or the values that users enter into a cell. One example of validation is a drop-down list (also called a drop-down box or drop-down menu). Watch more in this video.

There are several ways to calculate the difference between two times.

If you have multiple accounts in Outlook, when you compose a new email message, Outlook picks the default account as the From account.However, if you want to Reply, Reply All, or Forward a message, Outlook will send your message with the same account the original mail was sent to.For example, Cheryl has two accounts.

Hier finden Sie die Schritte zum Ändern der Startseite in Microsoft Edge, Internet Explorer 11, Google Chrome, Firefox und Safari.

Microsoft 365 lets you easily see and open files that others have shared with you via the cloud or email.