Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Shrink the OS partition and prepare the disk for a new recovery partition. To shrink the OS, run diskpart

Wenn Sie Ihre Hardware geändert haben, um ein Upgrade auf Windows 11 durchzuführen und das System die Änderung nicht rechtzeitig erkennt, wird in diesem Artikel erläutert, wie Sie die Bewertung manuell initiieren.

In Outlook, the black color theme includes dark mode, which provides a black background (instead of white) for the message window. You can switch to a white background for the message window if you prefer.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office. Find out about choosing between 32-bit Office and 64-bit Office.

Learn how to find which version of Windows operating system your PC is running and device specifications.

Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.