Use date and time functions to create formulas that return serial numbers, display a specific date or time, or that calculate the difference between dates or times.

Learn how to update Microsoft Office through Windows Update if you're experiencing difficulties with the Office Updater.

Learn how to make items on the screen appear larger by using Magnifier in Windows.

Erfahren Sie, wie Sie Einstellungen-App zum Anzeigen und Ändern von Anzeigeeinstellungen in Windows.

How to use a PivotTable in Excel to calculate, summarize, and analyze your worksheet data to see hidden patterns and trends.

Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.

The following tables compare some key features between various versions of Visio. To see which version you are using, go to "My account" on office.com, then search that page for Visio.

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

Learn how to download, customize, and troubleshoot Windows Media Player 12 with helpful guides and tips.

Add a contact from someone's profile card. If you're using Outlook in an organization and you click someone's name or picture in Outlook or other Office apps and services, you might see a profile card with additional information.