This article applies to Office Home & Business, Office Professional, and individually purchased Office apps. To switch an Office install to or from Microsoft 365, see Switch your Office license.. Change the product key for your version

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.

注: Windows 10 にアップグレードしてから 10 日未満の場合、削除可能なシステム ファイルとして以前のバージョンの Windows が一覧表示されます。ドライブの空き領域を増やす必要がある場合は削除できますが、この操作では Windows.old フォルダーが削除されることに注意してください。

لفتح كاميرا الويب أو الكاميرا، حدد زر البدء، ثم حدد الكاميرا في قائمة التطبيقات. إذا كان لديك عدة كاميرات، يمكنك التبديل بينها عن طريق تحديد تغيير الكاميرا في الجزء العلوي الأيمن بمجرد فتح تطبيق الكاميرا.

You can mark a document as read-only and still allow changes to selected parts. You can make these unrestricted parts available for anyone who opens the document, or you can grant permission to specific individuals so that only they can change the unrestricted parts of the document.

Know your limits Many email service providers set limits for the number of names that can be included in the To, Cc, and Bcc boxes in a message. For example, your email service provider may limit each message to a maximum of 100 email addresses. If these addresses are distributed among the To, Cc, and Bcc boxes, remember that the names in the Bcc box will count toward your total limit.

To pin apps to the taskbar. Select Start , select the arrow next to All apps, right-click the app, then select More > Pin to taskbar.

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If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.