>They are not larger than 2GB. One is about 900MB, another one is 1.5GB (approximately)
>
>>How large is your .pst file???
>>
>>>Hi,
>>>
>>>I have tried to fix corrupted .pst files of Outlook 365 using MS too SCANPST.EXE. But next day I get the same message of corrupted files.
>>>
>>>I am considering buying this tool:
>>>
>>>http://www.sysinfotools.com/recovery/pst-recovery.html
>>>
>>>Anybody used it and what were the results?
>>>
>>>TIA

There is a built in repair command you can run from the command window. You'll have to google it to get the syntax.