If you have setup IMAP account in Outlook and several IMAP folders not showing in Outlook pane, then continue below to fix the problem. When you 're using Outlook to access your IMAP account, Outlook should display all the IMAP folders in the navigation pane. If you cannot see all your IMAP folders on the folder pane, then continue reading below.
How to FIX: IMAP folders Missing (Not Visible) in Outlook's Navigation Pane.
Method 1: Choose which IMAP account folders appear in Outlook.
The first method to resolve the "IMAP folders not appearing in folder pane" issue in Outlook, is to subscribe all the IMAP folders that you want to appear on the navigation pane. To do that:
1. In Navigation pane, right-click on the IMAP account and select IMAP folders.
2. Then click Query to display a list of all the IMAP folders on the mail server.
3. Now select the IMAP folders that doesn't appear on the navigation pane, and click Subscribe. Repeat the procedure from any other folder that you want to appear on the navigation pane. To select multiple folders, hold down the CTRL key as you click the folder's name.
4. When done, click OK.
5. Finally right click, to the IMAP account and select Update folder list to apply the change.
6. Now, check if all the IMAP folder are appearing in Outlook and if the problem persists, continue to the next method.
Method 2: Specify the IMAP root folder path.
If not all IMAP folders are displayed in Outlook, proceed and specify the 'Root folder path' for your IMAP account. To do that:*
* IMPORTANT NOTES:
1. DO NOT TRY THIS METHOD if you are using a GMAIL account as it does not work and causes all folders and emails to disappear! (Read the comments below for more info about this issue).
2. I recommend to EXPORT your IMAP MAILBOX to an OUTLOOK DATA FILE (.PST), before applying the steps below .
3. If you are using a GMAIL account, I suggest removing it and adding it back to Outlook. (See the method-4 below for instructions).
1. From the Outlook File menu click Account Settings -> Account Settings.
2. Highlight the IMAP account and click Change.
3. If the 'Root folder path' is empty, type the word "Inbox" and then click Next and Finish to apply the change.*
* IMPORTANT: ONCE AGAIN, DO NOT TRY THIS METHOD IF YOU ARE USING A GMAIL ACCOUNT, BECAUSE ALL YOUR MESSAGES AND FOLDERS WILL BE LOST!
4. Close and restart Outlook to re-sync your IMAP account.
Method 3. Disable the Antivirus Integration in Outlook.
The next method, to resolve the "Not All IMAP folders showing in Outlook" issue, is to disable the Antivirus integration with the Outlook program, or try to completely uninstall the Antivirus software from your PC and if the problem is solved, then download and re-install the latest version of your AV program.
Method 4. Remove and Re-add the Email Account from Outlook.
The final method to fix the mentioned issue is to force Outlook to re-sync the IMAP folders by removing and re-adding the email account. To do that:
Step 1. Export all emails to an Outlook .PST data file.
Step 2. Remove and re-add your email account in Outlook.
Step 3. Wait for Outlook to sync from online content.
Step 4. Check if the problem is fixed and if all your emails and folders are appearing in Outlook. If not, open the Outlook PST file in Outlook and copy from there the missing messages & folders to the IMAP account's mailbox.
* Additional help: If the IMAP folders not showing, after importing messages from the Outlook PST data file, then follow the instructions this tutorial: FIX: Imported or Copied Email Messages on IMAP are Missing.
That's it! Let me know if this guide has helped you by leaving your comment about your experience. Please like and share this guide to help others.