Thank you for your replies. I would have to get myself familiar with "filesystemobject". I just know that some programming languages have the ability to create the file checksum, which...

Thank you everybody. It was a very useful info.

Do you know the way to check the sized, date created and date updated from DTS package?

Information in the table looks OK. We did some additional investigation and found out that data in corrupted fields is represented as 00 in HEX format. We expected to see...

These files are loaded into MS SQL tables. All fields in these tables are varchar.