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

Before you begin filling out the form. The steps below will help guide you when filling out the account recovery form. It can be a lengthy process as it's designed to ask questions about your account that only you can answer.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Learn how to use digital signatures, digital IDs, and signature lines in Microsoft 365 files, such as Word, Excel, and PowerPoint.

例如，如果未能支付 Xbox Game Pass Core 订阅的续订费用，你将被锁定，并且在线多人游戏将只适用于免费游戏。

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

A Microsoft Exchange account is a work or school email account. The organization that gave you the Exchange email account is running a Microsoft Exchange Server, or is using Microsoft 365 which uses Exchange Server to provide email.

This page provides phone numbers of Microsoft customer service.

With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.