For more information about creating a PAC file, see Managing Microsoft 365 endpoints. For more information, see Microsoft 365 support Disabling ADAL or WAM not recommended for fixing Microsoft 365 sign-in or activation issues. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If we detect a problem with your account, we'll tell you what you need to do to solve the problem. If we don't detect any problem, we'll guide you through how you can help yourself. Alternatively, you can use the browser’s incognito mode or private mode to check if the issue persist


Microsoft 365 Apps fails to activate when opened from published apps on a Citrix server. For more information, see Known issues (Citrix product documentation). If you see repeated prompts to grant access to the keychain when starting an Office for Mac app, Office may have been moved to a location other than the default /Applications folder. For troubleshooting steps, see Office for Mac repeatedly requesting keychain access. This article will help you troubleshoot sign in issues when activating Microsoft 365 Apps. If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper too


From the very beginning, you can take advantage of the trial version of DiskInternals Outlook Recovery, which is also completely free. Open Control Panel and select User Accounts and open Mail. Next, click Show Profiles, select Add and Create a new profile name and click OK. Go to the Show Profiles window and enable the Prompt to use a profile option. If all is well, it is recommended that you delete the old problematic profile, but this is not necessar

21Vianet customer service team follows up with investigation and customer communication in reasonable rhythm according to severity levels. 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.


You can select Search at the bottom of the page to generate this report. This report can give you a general idea about what's occurring to the mail flow in your organization. If a single user in your organization is having trouble receiving email, the cause could be a licensing issue, a profile problem, the wrong version of Outlook, or a mixture of other issue


Microsoft recommends using their support portal to initiate help requests. This involves starting through automated help, which can then direct you to phone assistance. In most cases, your account can be recovered and mistakes can be fixed. Especially with a little help from the Microsoft Outlook support. We love reading your suggestions on new features and feedback about how you use our products! To learn more about how to share your feedback, see How do I give feedback on Microsoft Offic

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.


The most effective method for addressing a corrupt Outlook profile is to discard the old one and create a new one. Outlook’s rules automate various email tasks, but sometimes, a rule intended for efficiency might inadvertently divert your messages to an unfamiliar folder. A cluttered cache can impede the smooth functioning of Outlook. Clearing the cache removes unnecessary data, promoting efficient email processing. Navigate to the ‘File’ tab, select ‘Options’, and under ‘Advanced’, click on ‘Clean Auto-Complete List’. Visit the Office 365 Service Health portal to check the current status of Outlook and other Microsoft services for any reported issues or ongoing maintenanc


To learn more about managing contacts in Outlook.com, go to Create, view, and edit contacts and contact lists in Outlook.com. If the Outlook customer service is busy, unreactive, or if they’re not responding to your questions, you can try asking the community. If you're still unable to send or receive email, read how to Fix Outlook.com email sync issues. If you are having issues sending email, this might be due to validation issues with your Microsoft Account. We are aware that some users may not be able to receive email from Gmail accounts. Microsoft has released a Windows Hotfix file to remove the contacts folder synced by the Teams ap


Use a Microsoft 365 support password manager to generate and store strong, unique passwords for Microsoft 365 support all your accounts. If the unwanted Microsoft 365 support content resides on a site or page you don't control, you can follow our tips on removing personal information from Googl


Because data about older messages is stored in a different database, message traces for older messages can take up to an hour. As a Microsoft 365 for business admin, you have access to several tools that can help you investigate why users are not receiving email. The following video provides a brief overview of the tools that are available to you. Alexa Shahan is a tech and productivity expert with a strong focus on email tools. She tests each app and verifies every guide to ensure it’s easy to follow and truly helpful to user