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

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。

Learn how to add members to your family group including child and adult accounts.

了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。

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

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Learn how to use Microsoft Translator in the Edge browser to translate webpages.

There are several different ways for family members and organizers to leave or be removed from a Microsoft family group depending on their role. Before leaving, family members and organizers should remove saved places and location alerts they would not like to remain in the group. Location alerts must be removed by the individual who set them for saved places to be deleted.

If you don't want to use OneDrive, the easiest solution is to unlink it. Follow the steps in Turn off, disable, or uninstall OneDrive, for how to unlink, hide, and uninstall OneDrive from your PC.