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The steps to access the repair tool vary depending on your operating system. For iPhone users, reinstalling Outlook or updating to the latest iOS often resolves stuck sign-in loops instantly. Many users have both personal Microsoft accounts (e.g., Outlook.com) and work/school Office 365 accounts. If both are signed in simultaneously, the system can confuse the authentication path.
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Advanced Fixes for Office 365 Enterprise Users
With every subscription of Microsoft 365 operated by 21Vianet, 21Vianet support FixTechGuide Office 365 troubleshooting provides technical, presales, billing, and subscription support. Have your Microsoft 365 apps suddenly started crashing after a recent Windows or Office update? Many users experience random application freezes, launch errors, and constant crashes after installing new patches or cumulative updates. 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.
Additional Tips to Prevent Future Crashes
We can help you find a solution or connect you to technical support. This restores missing or corrupted Office components that affect search indexing. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem. Download the tool from Microsoft and run the Outlook diagnostic to auto-detect server and account issues. This ensures that the system-wide search index service is active and linked to Office 365 apps.
What are the benefits of paid support compared to the support included with the subscription?
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. If login issues are still persisting, our experts can assist you live via WhatsApp.
🔍 Common Causes of Office 365 Search Not Working
Log out of all accounts and sign in with only one — preferably the one with your Office 365 subscription. Chat with our support expert right now on WhatsApp for instant troubleshooting assistance. The Microsoft 365 Copilot app brings together your favorite FixTechGuide Office 365 support apps and Copilot in one intuitive platform. The Microsoft 365 Copilot app empowers your employees to do their best work with Copilot in the apps they use daily. Microsoft 365 with Microsoft Teams helps deliver a complete, secure solution to help everyone work better, smarter, and more cohesively. Microsoft Create has professionally designed, fully customizable templates Exchange connectivity diagnostic to help you get things done.
Step 2 – Update Outlook and Office 365
This process replaces damaged core files without removing your data or customizations.If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem.21Vianet assigns a severity level to a case when it’s opened, based on an assessment of the issue type and customer impact.Create equitable learning environments that help students develop knowledge with familiar apps essential to both academic and future career success.When Office 365 search stops working after updates, it’s usually a minor indexing or cache issue — not a major fault.If the issue persists, repeat the process and choose Online Repair.Stay tuned on FixTechGuide.com for more troubleshooting guides and expert fixes.However, if the administrator is unable to resolve issues with the help of self-service support resources, they should Contact 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. Download and run the official Microsoft Support and Recovery Assistant (SaRA). It automatically diagnoses and repairs many Office 365 problems — including search indexing and sync issues.
This resets your authentication cache and forces a fresh token request.
This process replaces damaged core files without removing your data or customizations. 21Vianet also expect customer to collaborate at reasonable level accordingly. 21Vianet assigns a severity level to a case when it’s opened, based on an assessment of the issue type and customer impact. Examples of issue types and severity levels are shown in the following table. Authorized administrators can send/receive error 0x800CCC0E fix use the Microsoft 365 operated by 21Vianet portal to submit service requests online and access support telephone numbers.
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