Self-service support is available for all Microsoft 365 operated by 21Vianet users, and includes troubleshooting tools and videos, help articles and videos, as well as forums and wikis in the Microsoft 365 community. For more self-help resources, see Microsoft 365 operated by 21Vianet. You must be an admin for a business subscription to use these support methods.

If your country/region isn't listed, select a neighboring country/region or dial the United States support phone number.Find and edit files, scan documents, and create content on the go with access to Copilot Chat, productivity apps, and more — all in one place.Examples of issue types and severity levels are shown in the following table.If you're a volume licensing admin but are unable to access the admin center, you can create an online support request.Presales support can be accessed using the same phone number as with technical support.You must have at least one subscription bought through Microsoft to access Microsoft support.For a smoother support experience, we recommend that you open separate support requests for each issue.

In most countries/regions, billing support for Microsoft 365 for business products and services is provided in English from 9 AM-5 PM, Monday through Friday. Sign up for a free trial of Business Standard for up to 25 users and experience how Microsoft 365 empowers your business to get more done from anywhere and helps keep data safe with built-in security. Find and edit files, scan documents, and create content on the go with access to Copilot Chat, productivity apps, and more — all in one place. The type of support Microsoft provides for consumers depends on the product you're calling about and if you have a product&nbsp