With the help of InQuit EDB to PST Converter application, you can convert single as well as multiple files at a single moment without disturbing the data integrity.
To check if the issue is related to your Outlook desktop client, it is suggested for you to try importing your PST file to another computer. Since you have several large PST files, please use different PST files when testing and see if there is any difference.
Exchange cannot open and read PST files. It can export to and import from a PST but it cannot access individual messages. There is really no way t answer this question as it is misdirected and vague.
Having an issue with machines running windows 7 with roaming profiles enabled. The machine seems to copy the appdata roaming which is expected as well as appdata local and local low which is the problem. This is causing many issues considering appdata local is where user PST files are stored and roaming profiles have gorwn to 14.3 GB as a result which is causing significant problems. I have ...
When the files get deleted, if you refresh the directory (with F5 in Explorer) the files do indeed appear to come back, but their filesize is changed. The files that remain are actually not the files that are deleted, but I have not been able to determine their content. If the user waits a few hours the files disappear on their own.
Im facing an issue now whereby my user mailbox previous size is 10GB, so I decided to create a .pst file for his mailbox on Outlook before do migration to Exchange 2013, further checking on Exchange 2007 his mailbox size have been decreased to 400MB .