Learn how to change the email address or phone number that’s associated with your Microsoft account.

Learn why you received a notification about unusual activity in your account and what to do next.

Use the Windows Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).

This page is for Microsoft 365 Basic, Microsoft 365 Personal, and Microsoft 365 Family subscriptions only. For help with other subscriptions purchased through Microsoft see Cancel a Microsoft subscription. If you purchased a Microsoft subscription from Google Play or the Apple app store, contact their customer support for cancellation or refund.

Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.

Edit a drop-down list that's based on an Excel Table. If you set up your list source as an Excel table, then all you need to do is add or remove items from the list, and Excel will automatically update any associated drop-downs for you.. To add an item, go to the end of the list and type the new item.

Provides information for avoiding and reporting Microsoft technical support scams.

Office 2019 is now available as a one-time purchase for commercial and consumer users. Office 2019 is available for both Windows and macOS, and includes classic versions of Word, Excel, PowerPoint, and Outlook.

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

ポップアップをブロックする Microsoft Edge 機能は、Web サイトが新しいウィンドウやタブ、または現在の Web ページの上部にあるウィンドウの一部を自動的に開くのを防ぐのに効果的です。 この機能は既定でオンになっています。 広告、通知、オファー、アラートなど、さまざまな種類のポップ ...