Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.

Probieren Sie diese Lösungen aus, wenn Sie sich nicht bei Ihrem Outlook.com-, Hotmail-, Live- oder MSN-E-Mail-Konto anmelden können oder nicht sicher sind, wie Sie sich an- oder abmelden.

Leave your Android device in your pocket the next time it rings — pick up the call from your PC instead. Calling requires Bluetooth capability on both your PC and on your Android device, so make sure you have it turned on for both.

With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.

You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

How to combine text or data from two or more cells into one cell in Excel.

Learn how to open a shared mailbox in Outlook. Shared mailboxes let a group of users view and send email, and share a calender, and open a contact list from a common mailbox.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.