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Outlook 2007 File in use warning

I have a user that opens a html (or other type of ) file from an email attachement and she then closes the file and forwards the original message. She then gets a warning to say the file is in use and  any changes would be lost. I realise that she can click OK and carry on but she is worried anyway.
She forwarded the mail/attachment to me and it opened from: -

Using W7/Exchange 2007/Office 2007

Can anyone help?
2 Solutions
Check this and this should answer your query

HKFueyAuthor Commented:
Hi TE,
"Attachments remain in the Outlook Secure Temporary File folder" is not the problem, the problem is that Outlook says 'File in use" when it is not in use.
Sounds like an Add-in to me.
Maybe some AV scanning the file when it's sent?
Or other types of add-ins too like indexing and such...

Can try running outlook.exe /safe and see.
Or better yet, check the Trust Center>Add-ins for any unwanted items.
Anuj BhatiaCommented:
Hey Buddy ..

Its seems some program is using it .. as soon as its get open.. could be a AV prog that might be scanning it .. you can try to download a program know as Malwarebytes and scan you machine for Malware/Spywares and see if that fixes the issue ..

As mentioned by @ZeevM333 try opening it in with the Safe switch i have seen that Switch do Wonders :) .

You can also check and lemme know the size of the PST of the Inbox .. and you can make a new account and see if that makes any difference...



Anuj Bhatia
[Signature removed by JustAMod]
HKFueyAuthor Commented:
Thanks for the help!
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