Here is a comprehensive list of possible causes for the error ‘Outlook inbox not updating’ and how they can affect the working of Outlook. Your Outlook data file cannot be configured.Repair corrupted OST files from Outlook 365.Your mailbox has been temporarily moved on Exchange server.

Fix the error Outlook inbox not updating.

Fix Outlook data file cannot be accessed.

Fix Outlook the set of folders cannot be opened.

Fix Outlook not connecting to server error.

Recover all Exchange and Outlook OST files.

Set Exchange Server Impersonation rights.

Connect to Office 365 as single user mailbox.

Connect to Office 365 with CSV file option.

Connect to Office 365 with full access permission.

Connecting to Individual user for its migration.

Using multiple user credentials with CSV file.

Connect to Hosted Exchange for its Migration.

Connect individual users for Single / Specific user Migration.

Connect to multiple users using CSV file.

Connect to Exchange server for multiple mailboxes migration.

See more tips on improving Outlook performance and stability.

Select “Exchange Client Extensions” in the Manage drop-down at the bottom of the Trust Center window and click “Go”.ĭo not forget to restart Outlook for changes to take effect.

Disable Exchange Client ExtensionsĮxchange Client Extensions are a different type of Add-ins. Note: If you see “The connected state of Office Add-ins registered in HKEY_LOCAL_MACHINE cannot be changed” see this article for help with disabling those add-ins.

Uncheck any add-ins that you are not using.

Select “COM Add-ins” in the Manage drop-down at the bottom of the Trust Center window and click “Go”.There are two types of Addins – COM Add-ins and Exchange Client Extensions. In Outlook 2007 Add-ins are listed under “Tools->Trust Center->Addins”. Disabling unnecessary plugins is a great way to make your Outlook start faster, run more reliably, take less memory.

Remove add ins from outlook