After setting up Outlook 2013/Office 365 as IMAP, you will most likely need to subscribe to your Inbox. In this guide we will show you how to accomplish that, so you can see your folders such as Sent, trash, etc.

How to Subscribe to Your Inbox:

  1. Open Outlook, click File, then Account Settings. Choose Account Settings...
    Editing account settings
  2. Click your email account, then click the Change button.
  3. Click the More Settings button, then the Advanced tab.
  4. In the Root folder path field, enter INBOX (with all caps). Then click the Ok button to save your changes.

Congratulations, you are now subscribed to your INBOX folder, it will take some time to display your folder contents. The time-frame depends how many emails are stored in the folders.

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n/a Points
2014-04-17 12:14 pm

I had read through several other posts on how to connect from Office 2013/365 but couldn't get it to receive messages even though the test function worked.

This article explained that I needed to configure the INBOX as the root folder which I did and then emails were received. This info should be added to your other articles on connecting with Outlook to Office 2013/365.


n/a Points
2014-04-18 9:43 pm

I did that bug it still doesn't work

16,613 Points
2014-04-19 1:17 am
Hello Golf Greens,

Sorry to hear it's not working. Unfortunately, we can't really provide too much help without more information from you. What exactly have you done? Are you getting any error messages? If you want some good troubleshooting information on Outlook 2013, please check out this article for further details. If you continue to have problems, please give us detailed information on your email settings for the client so that we can try to determine what's causing the problem.

Arnel C.
n/a Points
2014-05-10 12:47 pm

Using office 365 and was not receiving mail via imap. Subscribing to my inbox as explained above was easy and more importantly, it worked - thank you.

18,098 Points
2014-05-10 11:57 pm
Hello Scott Doyle,

We are glad to hear the article was able to help! Please let us know if there is anything else we can do for you!.

Kindest Regards,
Scott M
n/a Points
2014-06-03 1:09 pm

I am running Windows 8, Office 365, and Outlook 2013 with IMAP folders on an HP Pavilion 23 desktop. Periodically, and without warning or explanation, Outlook stops receiving my emails. I recently received an email from a client with several attachment,s and I got a message saying my inbox was nearly full (which it wasn't). Ii can receive the emails on my iphone and and an imac, and I can send test messages to myself from my desktop (but I can't receive them on the desktop). I tried several of the other suggestions - looking for updates (they weren't there), adding INBOX to the root folder in settings, and virtually emptying my inbox, but nothing seems to work. Any suggestions?


9,968 Points
2014-06-03 1:37 pm
Hello Randy, and thanks for your comment.

Did you get the message about your Inbox nearly being full in your Outlook mail client itself, or did you receive this in an email?

It sounds like there could possibly be an email with an attachment still on the server-side that is causing your IMAP client to be unable to synchronize new messages.

I would recommend trying to login to webmail directly in your web-browser to see if there are any messages on the server that your Outlook client hasn't synced yet.

If you are still having issues even after ensuring the server-side is clear, you might want to try re-creating the IMAP account in Outlook to let it attempt to resync all messages on the account once again, as your Outlook user profile might have become corrupt at some point and now it's lost its place in terms of what messages it should sync next from the server.

Please let us know if you're still running into issues.

- Jacob
n/a Points
2014-06-03 4:09 pm

Hi Jacob,

I received the message about the full Inbox as an email on my iphone. I followed your suggestion and think I found the culprit: the message with several attachments still was in my webmail folder, but it had a line through it (I had deleted it from my iphone). Once I deleted it from the server, Outlook opened up and I received a day's worth of emails. Not sure why this happens, but maybe this is a way to deal with it until someone comes up with a better system.


9,968 Points
2014-06-03 4:42 pm
Hello again Randy,

Glad to hear that worked for you. I've encountered that myself as well, and logging into webmail is typically how you have to deal with rogue messages that are stopping one IMAP client from syncing new messages.

You might want to try setting an option for When I delete a message to Remove it from server immediately on your iPhone if available. In some cases I've seen IMAP clients use Just mark it as deleted and this can sometimes cause it to retain on the server and then mess up the synchronization of other IMAP clients.

Thanks for coming back and letting us know the work-a-round worked so if others encounter this same problem it might help them out!

- Jacob

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