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The problem is that this is starting to affect everyone in the company. It started with one user and now we have 20 reports and growing. I’d rather not go through every registy in the company to fix this issue. I suppose if it comes to it I can set a group policy to disabled all Outlook addins. It’s just strange that this is happening to everyone regardless of Outlook version (2016 and 2019) or Windows version (Windows 7 and Windows 10). You can change the TeamViewer settings to disable the TeamViewer's Outlook addi


Another potential cause of login issues is that your browser or system may be outdated or incompatible with the website you are trying to access. To address this issue, updating your browser and system can help fix any bugs, improve your security, and enhance your compatibility. To do so, open your browser and go to the help or about menu to check if there is an update available and install it. Then, open your system settings and go to the update or security menu to check if there are any updates available. Install them if necessary and restart both your browser and system. Login issues can be frustrating and time-consuming for both customers and customer support agent


The user had Office 2015 and Office 2016 credentials and Teams credentials that we deleted. We checked with Word that the account was connected–it was and the we opened Outlook and it immediately connected. I created a new Outlook profile, and then the old one started working. I wonder if the compuer cached a new logon token or something that the old Outlook profile could use. Also, during the new profile creation, I was only prompted for a password and not for MF


This problem should only occur on the initial synchronization of a folder that is larger than 4 GB. If the folder size is initially lower than 4 GB but then grows to above 4 GB over time, you will not see this problem through normal folder synchronization. Make sure the system has enough solve Office 365 mailbox sync delays storage, especially the volume where the Outlook data file (OST) is stored. If you are running out of storage, make some space by moving some files from the storage to another folder or volume. You may also archive the OST mailbox to reduce the mailbox siz


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. Log out of all accounts and sign in with only one — preferably the one with your Office 365 subscription. Tell us the issue, no long waits, no tech jargon. If all else fails, or the issue persists despite taking the recommended course of action, open a support reques


Well after disabling that setting, now I'm testing further and I noticed that if I open PowerPoint and click add-ins, I'm still freely able to install anything. Is there a way, maybe in regedit, to stop all addins from loading or force disabling all addins (that doesn’t involve loading into safe mode). If you're using Outlook 2016, you may see a message that says "A problem was detected with an add-in and it has been disabled" when you start the application. Clicking on the "View Disabled Add-ins... " button shows a form with the list of add-ins and how each one impacts Outlook performance. Sometimes, even if you put the add-in into the "Always enable this add-in" list, it is still flagged as "Inactive" even after restarting Outloo

You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape. After locating the ScanPST, launch the tool and follow these steps to repair the PST file.


In fact if you just turned on MFA and you were not using MFA before you usually end up having to rebuild the profile and clearing the credential manager. If you are saying that they are getting multiple MFA prompts then this is an out of sync issue with the wrong code being used. We strongly recommend letting your organization's Help desk know if your phone was lost or stolen. The Help desk can make the appropriate updates to your account. After your settings are cleared, you'll be prompted to register for two-factor verification the next time you sign i