Outlook Fails to Open .pst -- issue with permissions or read only BUT I own the file

Rebuilt Win 10 with new C drive.  I have backup copies of my *.pst files.  Installed Outlook but when I try to open any of the files the error message says:  File Access Denied.  You don't have permissions.

I have played the Properties/Security screens;  I have made new self  the owner, I have full control -- as does every other Admin and user on the system [see attached fig].  I have verified that jm@imagemining.net is the current sign on, is administrator level.  ALSO if i try to edit file permissions, all the Allow columns are checked AND grayed out.

I tried the scanpst utility and its said it could not fix the file because the file is read only but properties does not say the file is read only.

the archive/saved pst files i have were created when I had a local account on my Win 10 system.  when i rebuilt windows now on my system it insisted on a network account.  no more option for local.  I have a feeling maybe this is a local/network account mismatch?


I am very perplexed.  How to fix this?
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jim morgensternAsked:
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Tom CieslikIT EngineerCommented:
Try to run scanpst.exe software to check for any errorrs inside PST file
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JohnBusiness Consultant (Owner)Commented:
Put the file on a completely different computer and then use SCANPST on the different computer to look for errors.
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jim morgensternAuthor Commented:
Tom -- you saw that i said that i tried scanpst?  john, i will try my other system ...
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Tom CieslikIT EngineerCommented:
You are trying open from U drive so I assume this is network location.
Try copy over this file to your local drive and try again
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8046586Commented:
This is known issue with Win 10 and Outlook, especially after upgrading Win 10. Problem is with corrupted system files that can be fixed with scanning:
In elevated CMD run the command below

sfc /scannow

This command helped me to fix 2 identical cases
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JohnBusiness Consultant (Owner)Commented:
Not an issue on my Windows 10 computer.
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David Johnson, CD, MVPOwnerCommented:
it is the high integrity level that is stopping you.  A high integrity level only allows system and administrators (with administrative token) to access a file.
icacls.exe filename.pst /setintegritylevel Low will allow access from outlook or other programs running under the security context of a user to access
https://msdn.microsoft.com/en-us/library/bb625965.aspx
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JohnBusiness Consultant (Owner)Commented:
I have not seen that on my own or client Windows 10 Pro computers. Outlook PST files are always useable by the user, and in my case I can transfer a PST file from my laptop to my desktop and open / import it on the desktop (different user name).

Still, I am interested if Jim tries on another machine.
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David Johnson, CD, MVPOwnerCommented:
for John and other users/experts that have not run across integrity levels before
Integrity levels define different levels of trustworthiness for applications running at different levels of access. Most applications in Windows Vista run at a standard user level of access at the medium integrity level
if you look at the image provided you will see that it is set to high integrity level. Integrity levels normally only apply to C:\ and %windir% in most usage
https://msdn.microsoft.com/en-us/library/bb625963.aspx
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jim morgensternAuthor Commented:
couldnt try other compujter ... only have Outlook on one.  sfc didnt help.  in the end i found a backup copy elsewhere and it ran fine.  thanks for the help
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