How to reset / reconfigure Microsoft Outlook mail profile for Microsoft 365 / Exchange Online

Reset Outlook Mail Profile

Overview There could be several reasons for recreating or resetting an outlook mail profile. Reseting a Mail Profile sometimes fixes a lot of Outlook related issues like slowness in sending and receiving emails, corruption of the mail profile, Global address book (GAL) Issues, Calendar sync issues etc. As all email items reside on the server for example Microsoft 365, there is no impact on the emails if you reset Outlook mail profile on your PC. Creating mail profile is a way to re-download all the emails in a new outlook profile. The emails are downloaded in a file with a extenstion .ost (Outlook Data File). In the next sections, we …

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Outlook and Teams not launching, Error code 80090016. Your computer’s Trusted Platform Module has malfunctioned.

Error code 80090016

When you launch Outlook and Teams on Windows 10 workstation, you may receive the below error: Your computer’s Trusted Platform Module has malfunctioned. If this error persists, contact your system administrator with the error code 80090016.More information: Microsoft Office Version being used Microsoft 365 MSO 16.0.13127.21062 (Microsoft 365 Apps for enterprise) Screenshot: Solution for Error code 80090016 Logoff current user. Login on the workstation using administrator account. Go to C:\users\<user account having issue>\AppData\Local\Packages\Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy Rename Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy to Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy.old Log off from the administrator account and Login as the user. Launch Outlook and Teams, it should work fine this time. OneDrive may have been signed out as well, you can sign …

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When Sending an email from another mailbox /shared mailbox (where user has sendAs permission), emails are being saved in Sent Items folder of main mailbox but not in the shared / another user’s mailbox sent items folder

Recently i have been reported an issue where one of the user with SendAs permission on a shared mailbox tries to send an email from that shared mailbox, the email’s sent are being stored in Sent Items folder of main user mailbox instead of sent items folder of shared mailbox. Create a DWORD Entry DelegateSentItemsStyle and set the value to 1 in the registry under below Path. Registry Path: HKEY_CURRENT_USER\Software\Microsoft\Office\x.0\Outlook\Preferences (The x.0 placeholder represents your version of Office (16.0 = Office 2016, 15.0 = Office 2013, 14.0 = Office 2010). Close and Re-Open the outlook to test by sending an email from the shared mailbox. if there are a number of machines …

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Outlook 2016 – Disable Recent People and Other Suggestions Autocomplete view

When we type an email address in Outlook to send an email, Autocomplete feature provides a list of Recent People and Suggestions in the drop down list.The latest update provides up to 5 suggestions. If you want to delete an email ID from other suggestions list then there is no X sign next to it and you will not be able to remove the entry, If you like the Old Autocomplete format which display’s full list then you can use below registry entry on client PC. Open the Registry Editor on your PC by clicking on Start -> Search for Registry Editor or by Click on Start -> Run and …

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