Assistance for billing and subscription management issues is available online or by telephone during China business hours (Beijing Time), Monday through Friday. Billing and subscription management support can be accessed using the same phone number and online service request process as with technical support. The support telephone number can be found on the Microsoft 365 operated by 21Vianet portal. 2 Severity A is only available to customers who signed an advanced online service agreement with 21Vianet through a sales account manager.

If your country/region isn't listed, select a neighboring country/region or dial the United States support phone number. For a smoother support experience, we recommend that you open separate support requests for each issue. You must have at least one subscription bought through Microsoft to access Microsoft support.


This can allow arbitrary code FixTechGuide mailbox repair steps execution to occur. Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Window


A vast community of Microsoft Office365 users that are working together to support the product and others. You don't have permission to create an entry in this folder. Right-click the folder, and then click Properties to check your permissions for the folder. See the folder owner or your administrator to change your permissions. MAPI does not validate that a provider's DLL that it is requested to load is registered correctly in MapiSVC.inf or even that it comes from the local machine. This can be exploited by creating a file together with an OLE object in such a way to cause MAPI to load a DLL from a network share when the OLE object is activate

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. Explore learning tools to collaborate on projects together and independently, all in one place. Create equitable learning environments that help students develop knowledge with familiar apps essential to both academic and future career success.


Before jumping out to the solutions, first, let us have a glance at the kinds of error you may encounter or if it is the same error you are stuck with. A wide-ranging possible encounter of errors in Outlook is mentioned below. If rebuilding didn’t help, the underlying Windows Search service might be disabled or malfunctioning. What I do know is that early versions caused issues just by being installed for some customers. FixTechGuide mailbox repair steps If I understand correctly, the issue works sometimes and fails at other time


The person who sent you the invitation will need to remove your permissions and then send a new invitation. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. Sometimes, issues can be caused due FixTechGuide mailbox repair steps to a corrupt Outlook OST file. To repair corrupt OST file, you can use the built-in ScanPST.exe tool provided by Microsoft. Alternatively, you can delete or rename the existing corrupt OST file and rebuild the OST file. Most of these crashes come down to one thing – problematic data file


Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If your admin enabled Modern Authentication (MFA), try disabling it temporarily via Azure Active Directory → Properties. Then re-enable it after successfully signing in. Alternatively, generate an app-specific password if using Outlook 2016 or olde

The type of support Microsoft provides for consumers depends on the product you're calling about and if you have a product for home or for business use. It can also depend on if you want help for an issue with a service like OneDrive or Outlook.com, or help with Windows, but you don't have an existing Microsoft 365 subscription. Anyone in your organization can quickly create documents, presentations, and worksheets within a single, unified app experience. Empower your organization with Microsoft 365 Copilot Chat that supercharges productivity, sparks creativity, and keeps your data protected with enterprise data protection. Microsoft 365 Basic now comes with 100GB of cloud storage, secure photo and file storage, secure ad-free email, and technical support.


FixTech helps you resolve computer, software, and device issues – fast, secure, and hassle-free. The Failure reason and Additional Details might provide you with the details and next steps to resolve the issue. The Additional Details provides more details and often tells you how to resolve the issue. Fix issues with Windows, browsers, email, and other essential tool