Why can't I open attachments in the new version of Outlook?

Anonymous
2024-10-03T13:37:44+00:00

I get this error message when trying to open any type of attachment from the desktop version of the new Outlook.

"Error occurred while opening the file. Please try again".

Outlook | Windows | New Outlook for Windows | For home

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Anonymous
2024-12-05T08:18:35+00:00

Hello,

I also had the problem and digged in a bit deeper using sysinternals Process Monitor to see what exactly fails, when the system tries to download the file in the temporary outlook folder. There I figured out that my problem was a somehow missing Attachments folder!

Please press WIN-R and type %userprofile%\appdata\local\microsoft\olk and press Enter.
Then an explorer windows opens. Check if you can see an Attachments folder. If not create one and problem might be solved for you.

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  1. Anonymous
    2025-06-10T10:16:19+00:00

    The directory *%userprofile%\appdata\local\microsoft*olk already had an Attachments folder.

    However, the directory %userprofile%\appdata\local\microsoft*outlook* did not, and creating one there solved the issue for me.

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  2. Anonymous
    2024-11-19T23:13:11+00:00

    where in clastic outlook is this setting? I went to file -> options -> trust center -> trust center settings -> attachment handling. but I don't see where the program is specified for each application / file type.

    thanks for any assistance,

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  3. Anonymous
    2024-11-19T14:47:41+00:00

    I'm of no help, but would like to add that we have multiple users with the same problem in our organization. I used the Outlook Support, It just came back "Not to double click". That was of no help. It doesn't matter what type of attachments that we try to open, you still cannot open the attachment.

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  4. Anonymous
    2024-10-15T11:14:08+00:00

    Hi Wyatt Boboltz,

    Good day.

    Some users shared tha this steps could solve the issue :

    Sign out of all O365 apps

    Sign out of O365 work/school account in Settings

    Close/exit any O365 app processes

    Sign back in

    As this issue is imapacting many users we need to refer to Microsoft Support to gather logs and work on identify the issue.

    Please contact New Outlook for windows in- app support team. Contact support and provide feedback in new Outlook for Windows - Microsoft Support.

    Best Regards

    Community Moderator

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