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microsoft_365_customer_service_and_support [2026/02/17 00:56] – created lizzieridgley48microsoft_365_customer_service_and_support [2026/02/17 05:51] (current) – created wernerrusso841
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-Content+Find out more about admin roles for the Microsoft 365 admin center. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Microsoft 365 Basic now comes with 100GB of cloud storage, secure photo and file storage, secure ad-free email, and technical support. Technical support is provided in English 24 hours a day, 7 days a week, and in some cases, in local languages as noted. For the most current support phone number in your country/region, see the global phone numbers list.
  
  
-(Image: [[https://images.wondershare.com/recoverit/article/2020/03/disable-outlook-add-ins-6.jpg|https://images.wondershare.com/recoverit/article/2020/03/disable-outlook-add-ins-6.jpg]])+If you are still having problems, tell us more about your issue, including any error messages your received and where you were in the install process when you received themThis could happen because of a delay between your initial sign in and Office 365 for business setting up your environmentIf your admin has given you permission to install updates, the Microsoft AutoUpdate makes sure your copy of Office will always be up-to-date with the latest security fixes and improvement
  
-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. 
  
-⃣ Reset Browser Cookies & Cache+To troubleshoot Mac activation issues, see the "Activation" section in What to try if you can't install or activate Office for Mac. Office up-to-date ensures that you have the latest security updates and fixes. If your admin has given you permission to install updates, see Install Office updates. For example, you can't install Office on computers running Windows Vista or Windows XP, or on devices that aren't running a supported Windows or Mac operating syste
  
-If your admin enabled Modern Authentication (MFA), try disabling it temporarily via Azure Active Directory → Properties. Alternatively, generate an app-specific password if using Outlook 2016 or older. This resets your authentication cache and forces a fresh token request. 
  
-Microsoft 365 Apps Crashing After Update — Step-by-Step Repair Guide+Check POP3 and SMTP settings for connecting to Microsoft mail servers (addresses of servers, ports, encryption, authentication). Make sure that you have entered the correct Office 365 username and password. This library of articles provides guidance to troubleshoot and fix errors that you may experience when using Microsoft Microsoft 365 Apps. For a complete list of articles, browse the navigation pane on the left, or use the search box above the pane to filter by fast fix for Outlook loading error keywords and find help with a specific issue. If you're an IT Pro and you want to deploy Office in your organization, use the Office Deployment Tool to download the Office software to your local networ
  
-If all else fails, uninstall Microsoft 365 completely, remove remaining registry traces using the Office Uninstall Support Tool, and reinstall it fresh.Go to Settings → Windows Update and install all pending updates.Start with basic network checks, enable Cached Exchange Mode, and repair your data files if needed.Support is available both online through the Microsoft 365 operated by 21Vianet portal, and by telephone for both paid and trial subscriptions.For persistent problems, rebuild your Outlook profile or use FixTechGuide’s free diagnostic tools to automate detection of authentication and IMAP errors in seconds.The support telephone number can be found on the Microsoft 365 operated by 21Vianet portal.In this guide, you’ll learn how to fix Office 365 search not working after update using step-by-step methods verified to restore indexing and search functionality. 
  
-For iPhone users, reinstalling Outlook or updating to the latest iOS often resolves stuck sign-in loops instantlyMany users have both personal Microsoft accounts (e.g., [[https://gitea.ashcloud.com/madelinemartel|modern authentication troubleshooting]] Outlook.com) and work/school Office 365 accountsIf both are signed in simultaneously, the system can confuse the authentication path.+Cultivate your ability to be mindful and tuned in to what you’re feelingHelpGuide.org is dedicated to Morgan Leslie Segal, whose tragic suicide might have been prevented if she had access to better information and guidanceExplore exclusive content from Harvard Health Publishing, the consumer health publishing division of Harvard Medical SchoolAs a free online resourcewe’re here for you, day or night, whenever you need guidance, encouragement, or supportBuild skills to manage your emotions, strengthen your relationships, and cope with difficult situations988 Lifeline voice, text, and chat options are offered fast fix for Outlook loading error in Spanis
  
-📲 Fix Office 365 Login Issues on Mobile+Protect your most important files, like your passport, driver’s license, or insurance information with OneDrive Personal Vault. Microsoft Create has professionally designed, fully customizable templates to help you get things done. For more information about the availability of support throughout the life of your product, visit the Microsoft Lifecycle Policy. See the table below for the type of support you can get depending on your product.
  
-If all else failsuninstall Microsoft 365 completely, remove remaining registry traces using the Office Uninstall Support Tool, and reinstall it freshThis guarantees clean configuration files and resolves deep-level [[http://tafiyata.saving.com.ng/read-blog/30151_how-to-fix-microsoft-office-activation-issues-2025.html|modern authentication troubleshooting]] corruption issuesPartial updates often break compatibility between Windows libraries and Office binaries.+Assistance for billing and subscription management issues is available online fast fix for Outlook loading error 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 supportThe support telephone number can be found on the Microsoft 365 operated by 21Vianet portal2 Severity A is only available to customers who signed an advanced online service agreement with 21Vianet through a sales account managerFor billing and subscription management support, the highest severity level is BPresales 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.
  
-(Image: [[https://images.wondershare.com/recoverit/article/2020/03/create-outlook-profile-2.jpg|https://images.wondershare.com/recoverit/article/2020/03/create-outlook-profile-2.jpg]]) 
  
-Step 2 – Update Outlook and Office 365+One such issue is when you are stuck on loading your Outlook profile and the set of folders cannot be opened. It’s too frustrating because you can’t even use the app and find out what’s wrong with it. Here, in this article, we will discuss the solutions to fix Outlook stuck on the loading profile and look at software to repair corrupt [[https://yes.youkandoit.com/noreeneisenber|fast fix for Outlook loading error]] PST file
  
-(Image: [[https://images.wondershare.com/recoverit/article/2020/03/outlook-inbox-repair-tool-2.jpg|https://images.wondershare.com/recoverit/article/2020/03/outlook-inbox-repair-tool-2.jpg]])+21Vianet customer service team follows up with investigation and customer communication in reasonable rhythm according to severity levels21Vianet also expect customer to collaborate at reasonable level accordingly21Vianet assigns a severity level to a case when it's opened, based on an assessment of the issue type and customer impactExamples of issue types and severity levels are shown in the following table.
  
-Go to Settings → Windows Update and install all pending updates. Then open any Office app → File  → Account → Update Options → Update Now to ensure both are synchronized. Go [[https://git.petra.celehner.com/fannymoor92448/outlook-login-issues-troubleshooting2144/wiki/Troubleshoot-Outlook-for-Windows-issues|Office 365 sync problems and login fixes]] to Control Panel → Programs and Features, select Microsoft 365, and click Change → Quick Repair. 
  
-(Image: [[https://images.wondershare.com/recoverit/article/2020/03/outlook-inbox-repair-tool-1.jpg|https://images.wondershare.com/recoverit/article/2020/03/outlook-inbox-repair-tool-1.jpg]]) +Domain verification issues can also prevent the normal use of the Microsoft Office 365 suiteInstalling Office 365 updates can fail for different reasons, and some of them are listed belowSafari can cause Microsoft 365 issues due to the Intelligent Tracking Prevention (ITP) featur
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-Outlook and Office 365 sync issues can be frustrating but are almost always fixable. Start with basic network checks, enable Cached Exchange  Mode, and repair your data files if needed. For persistent problems, rebuild your Outlook profile or use FixTechGuide’s free diagnostic tools to automate detection of authentication and IMAP errors in secondsThe problem usually occurs due to authentication token mismatches, cached credentials, or browser session conflicts. In this guide, we’ll walk you through every step to fix Office 365 login problems on both Windows and the web version. If your Microsoft 365 suite keeps crashing or you can’t recover lost files, reach out for expert help right away.+