Assistance for billing and subscription management issues is available online Outlook not syncing emails 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. For billing and subscription management support, the highest severity level is B. Presales support for Microsoft 365 operated by 21Vianet provides assistance on subscription features and benefits, plan comparisons, pricing and licensing, and helps to identify the right solution to meet your business needs.

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To avoid data loss when using cloud applications, perform Office 365 data backup. NAKIVO Backup & Replication is a universal data protection solution that can protect not only Office 365 but also virtual, physical, and cloud environments. Download the software and configure data backup in your environment. You may encounter issues when using any application, and Outlook not syncing emails Office 365 is no exceptio

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.

Multiple accounts can sometimes lead to conflicts or synchronization issues. Clearing unnecessary accounts ensures a smoother email experience. So if you’re waiting for an email from someone, you may want to check if the sender is registered on your blocked users list. If an email triggers the spam filters, Microsoft automatically moves it to your junk folder. Profile corruption can be a root cause of persistent issues. Creating a new profile ensures a fresh start, often resolving complex problem

If there's an ongoing outage or maintenance, it will be displayed on the portal. Otherwise, you should see the "Everything is up and running" message. If you were expecting an email that didn't arrive or are missing new messages in Microsoft Outlook, troubleshooting can help Outlook not syncing emails identify and fix the problem. To create a fresh Outlook profile, navigate to your account settings and proceed to the Profiles section. To address this, navigate to the "Accounts" and then "Connected Accounts" section to review the list of linked account

This fix will clean up duplicate contacts for end users starting August 9, 2023. Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September. If your mailbox is full, we won't be able to reply to your request. An outdated version of Outlook may cause performance issues or compatibility problems. Microsoft provides a built-in tool to repair Office applications, including Outloo

If a person signs in to Microsoft 365 or Office on your device without a subscription, they will be able to view and print files, but not create or edit files. If you have Microsoft 365 Family, you can share your subscription with five additional people. Each person can sign in to Office using their own Microsoft account on your device to create and edit their own files. You can share your Microsoft 365 Family subscription with up to five other people. Each person will use their own Microsoft account to install Microsoft 365 Office on all their devices and be signed in to five at the same time. You can view and print files, but not create or edit files, until you sign back i

Find solutions to common problems or get help from a support agent. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem. When you're done, you might need to restart your computer. You can also Sign out manually then close all browser window

We can even come to your location to help with your Microsoft Outlook problems so you don’t have to leave your home or office. Learn how to get more out of your connection with Outlook.com. We've streamlined search to Outlook not syncing emails make it easier than ever to find what you're looking for. The new Outlook Attachment Preview feature lets you see your pictures and files without leaving your inbox. Or how about customizing the look and feel of your mailbox? To effortlessly change your settings so that your inbox looks the way you want it to, see Personalize your new Mail experience in Outlook.co