Can't remove additional mailbox(es) from Outlook

By anthony.sartini ·
The problem I am experiencing lately is that when I add additional mailboxes to my Outlook, I can't seem to remove them.

The scenario is as follows:

1. Open Outlook
2. Click Tools -> Email Accounts -> Change -> More Settings -> Advanced -> Add..
3. Select the mailbox I want to add (e.g. Mailbox - xxxx)
4. The mailbox now shows up in Outlook and I can access the mails fine

My Outlook screen now shows the following in the left hand pane:

Mailbox - Anthony (my main inbox)
Mailbox - xxxx (the newly added inbox)

Here's where the problem occurs. Normally, I can simply retrace my steps as above and remove "Mailbox - xxxx" no problem, however lately when I go to remove the mailbox using this method it doesn't show up in the list at all!! The mailbox is still visible and accessible in my main Outlook screen but I just can't remove it.
Right clicking on it and selecting "Close Mailbox - xxxx" gives me the following message... "This group of folders is associated with an e-mail account. To remove it, on the Tools menu, click E-mail accounts, select View or change e-mail accounts, click Next, and then click Remove". This is exactly what I have been trying to do, but as I just mentioned, the mailbox doesn't show up in the list hence I can't remove it.

Has anyone experienced this/have any advice as to how I can remove the mailbox??

Thanks in advance.

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All Answers

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RE: Can't remove additional mailbox(es) from Outlook

by pjp In reply to Can't remove additional m ...

Open the registry editor, and go to

HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Default

Look through each of the folders below that to find which ones is causing the particular mailbox to be opened, then delete that whole folder

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Re: didn't work unfortunately

by anthony.sartini In reply to RE: Can't remove addition ...

Thanks for your reply. I expanded the above registry hive and there were several entries in here. I deleted pretty much all of them (bar the ones that were valid and I wanted to keep), but the mailboxes still remained in Outlook.

I have resolved the issue in a roundabout way by just recreating my Outlook profile which has removed them all.

Thanks for the information anyway, i'm sure it will come in handy at some stage no doubt.

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by TheOnlyRick In reply to Re: didn't work unfortuna ...

I had a mailbox listed in the folder list, but wasn't removable 'cos it wasn't listed under 'Email accounts'.

Deleting the reg ref worked a treat. Cheers!

I think deleting and recreating Outlook profiles should be an (admittedly painful) annual task for all geeks with different accounts, rules and syncronisations going on.

Outlook kludges up very easily, and is normally the first thing that I (and users at work) will complain about if their 'PC is being slow'.

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RE: Can't remove additional mailbox(es) from Outlook

by oz_cast In reply to RE: Can't remove addition ...

what if you do the following.
close out of Outlook.
click on START then you should see outlook, Right click on it and go to properties. Select Data Files and delete that other email box from there or move the outlook.pst for the other email account to a different folder. close that out and see that worked.

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RE: that looks like it'd work alright

by anthony.sartini In reply to RE: Can't remove addition ...

Since I recreated my Outlook account yesterday the mailboxes, and actual problem, has gone away. Everything is back to normal now so I can't really recreate the issue exactly as it was to test your solution.

However that option does look like it could/would have solved my problem. I'll keep it in mind if the problem ever arises again.

Thanks for the reply... I have marked your post as helpful.

EDIT: sorry I just looked at this again and I don't think it would have worked since the mailboxes are actually stored on our Exchange Server and not locally on my pc. Hence they wouldn't show up in the Data Files list.

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A little more info

by tom.johnson In reply to RE: Can't remove addition ...

Once in your in the registry at your profile at HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\"Your outlook Profile", click on each sub-folder and open the 001f3001 keys to determine which folders are associated with each additional mailbox, and delete the entire sub folder.

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Tom Johnson's fix worked

by ismgr In reply to A little more info

I had exactly the problem described here using Outlook 2000 with an old (5.5) version of Exchange Server. I scrolled through the sub folders in HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\ until I saw the entry with the name of the mailbox I was trying to remove. I deleted that subfolder (with Outlook closed) and reopened Outlook and the mailbox was gone.

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In case it happens again

by s.moffett In reply to Can't remove additional m ...

You actually want to remove it in the same manner in which you added it.

1. Open Outlook
2. Click Tools -> Email Accounts -> Change -> More Settings -> Advanced
3. Select the mailbox to be removed (e.g. Mailbox - xxxx) -> Click Remove

This will remove the listing for you when it is an Exchange related account.

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Ummmm.... did you actually READ the original post?

by ThumbsUp2 In reply to In case it happens again

He said, they mailbox does not appear on the list. Hence, he can't select it and click remove!

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Thanks for the reply but...

by anthony.sartini In reply to In case it happens again ThumbsUp2 pointed out, I wasn't able to remove them using that procedure as the mailboxes were not showing in the list.

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