The strategies in this post help you to fix the system folders missing from Office 365 mailbox. System folders are important for users but what if they are not visible to users. I will be showing an easy fix and just follow these steps.
The screenshot below shows no deleted items folder is available on a user mailbox.
When I tried to create a folder named Deleted Items, I received an error message that the folder is already available but for some reason, they are not available.
Let’s follow a quick fix to get rid of the issue.
- Download and extract the MFCMAPI.
- Launch mfcmapi.exe and click OK through the intro screen.
- On the Tools menu, click Options.
- Make sure that “Use the MDB_ONLINE flag when calling OpenMsgStore” and “Use the MAPI_NO_CACHE flag when calling OpenEntry” are checked. Click “OK”.
- On the Session menu, click Logon
- Select the Outlook profile for the affected mailbox, and click OK
- Double-click the email address which represents the desired mailbox.
- Expand Root Container
- Expand Top of information Store
- Locate and select the folder that appears missing in Outlook, and check the value of the PR_ATTR_HIDDEN to determine if it is set to True, as shown in the following figure.
- If PR_ATTR_HIDDEN shows a value of True, right-click the PR_ATTR_HIDDEN property and select Edit Property
- Uncheck the Boolean checkbox and click OK.
- Make sure the the PR_ATTR_HIDDEN property is False
- Close all MFCMAPI windows, and restart Outlook
The deleted items folder is back to the mailbox. These steps can be followed for other system folders such as Inbox and Sent Items.
Want to improve your Exchange Online experience for better productivity? Check out the tips and tricks mentioned here.
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