Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

注: Microsoft アカウントとして所有しているメール アドレスを使用するか、サインアップ時に [新しいメール アドレスを取得する] または [代わりにメールを使用する] を選択して新しいアドレスを作成できます。

The April 23, 2024 update for Windows 11, version 22H2 and Windows 11, version 23H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1.

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.

Open Microsoft Edge, select Settings and more (...), and then select Settings. Look for your version under About Microsoft Edge.

تنشيط Windows باستخدام ترخيص رقمي. تقترن التراخيص الرقمية بأجهزتك وترتبط بحسابك في Microsoft، لذا ما من شيء تحتاج إلى البحث عنه على الكمبيوتر.

Next steps. After you register your personal device to your organization's network, you should be able to access most of your resources. If your organization wants you to join your work device, see Join your work device to your organization's network.

Learn how to fix graphics device driver error code 43 in Windows 10.

Learn how to use your Outlook inbox effectively with Microsoft Support's training resources.

You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape.