Outlook crashes when I attempt to attach an email (.msg) to an outgoing email

Anonymous
2024-02-20T19:12:33+00:00

I updated my computer this morning and now anytime I try and attach an email to an outgoing email, my entire Outlook crashes (before the email attaches and I get a chance to try and send the outgoing email). I've tried restarting Outlook and my computer. I have no problem attaching and sending other types of files. The issue is not limited to one particular email message I'm trying to attach or send -- I've tested the issue, and it has happened with all my tests or various email (.msg) attachments and outgoing emails.

I routinely attach emails from within my Outlook to my outgoing emails in Outlook, by dragging and dropping the email I want to attach to my outgoing email. This is the first time I'm having this issue. I imagine it may have something to do with the update I was forced to run this morning.

Any troubleshooting advice would be much appreciated. Thank you, all!

Outlook | Windows | New Outlook for Windows | For home

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  1. Anonymous
    2024-02-28T16:55:32+00:00

    Did anybody have a fix for this issue?

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  2. Anonymous
    2024-02-28T17:40:59+00:00

    I can confirm this happens to several of our users starting this week as well

    I also can confirm it only affects MSG file extensions. Not DOC RTF TXT XLS etc.

    Wasnt even on the latest version. I attempted to update to the latest version but it still did not fix the error. So this has been happening on at least 2 versions.....

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  3. Anonymous
    2024-02-28T17:43:15+00:00

    Furthermore, here is what is logged in event viewer at the time of crash.

    Online suggestions were to try outlook /cleanviews as there is an issue with this mso20win32client.dll

    That did not help

    Faulting application name: OUTLOOK.EXE, version: 16.0.17328.20068, time stamp: 0x65c8cfd8

    Faulting module name: mso20win32client.dll, version: 0.0.0.0, time stamp: 0x65c8cc7f

    Exception code: 0x0152139a

    Fault offset: 0x000000000024047d

    Faulting process id: 0x0x507C

    Faulting application start time: 0x0x1DA69BB3A648DB0

    Faulting application path: C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE

    Faulting module path: C:\Program Files\Common Files\Microsoft Shared\Office16\mso20win32client.dll

    Report Id: 64e02e43-19d0-43b3-9297-0fc156d10f9d

    Faulting package full name: 

    Faulting package-relative application ID:

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  4. Anonymous
    2024-02-28T19:25:35+00:00

    It seems they may have pushed an update in the last 30 minutes of me looking into this issue as we've had several users report this issue.

    Version 2402 build number 17328.20108 was the confirmed build that this was still an issue, but I ran an update and am currently on build 17328.20142 and this is no longer an issue.

    Have your clients that are experiencing this run an update and make sure they're on 20142, should be fixed.

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  5. Anonymous
    2024-02-29T00:45:41+00:00

    Unfortunately to make matters worse for me, none of the IT computers seem to have this issue or duplicate. Only everybody else, so finding a user I can bother will take some time. Not sure what could be different (we are not local admins either)

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