"Size" on field chooser/column displaying incorrect value


Outlook version
Outlook 2013 64 bit
Email Account

As an Outlook 2013 IMAP account user, I today removed some PDF attachments from a 21MB message. However, the size column on the message stays at 21MB, even though it sorts correctly.

If I open the message, go to File > Properties though, the size is 24kb.

If I log into my host's email client (Horde) - the reduced email size correctly displays as 18kb - but despite restarts and resetting the views on O2013 I still see 21MB on the column. Is this an index rebuilding issue?

I can only find the following article: Choosing "Size" as parameter on which to sort Outlook messages does not work which comes close to my problem, which I note Diane responded to.

Any help much appreciated. Many thanks.

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
I reported it but it sounds like it may not have made it past triage.

When I tested it here - it dropped from group by size but is still showing 6MB in the size column - so Outlook knows it's smaller. Plus the paperclip is still showing. It sorts with smaller messages - except it's showing a 9KB in properties.


in my case, its still in gmail with the photo - and I have one without the photo. (This could be gmail weirdness)


Outlook version
Outlook 2013 64 bit
Email Account
Thanks Diane, do you think this problem might be resolved by either rebuilding the Outlook search index or deleting the ost files and re-retrieving the items from the IMAP server?

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
I think resyncing the folder will fix it - I'm waiting for my gmail account to resync to find out.

Yes... it did - it shows as 4KB. Still 9KB in properties though.
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