Hi Roy,
Welcome to this Microsoft Project newsgroup
If you suspect a corrupt file, you could try the suggestions in FAQ Item: 43. Handling project file corruption and/or bloat.
FAQs, companion products and other useful Project information can be seen at this web address:
http://project.mvps.org/faqs.htm
Hope this helps - please let us know how you get on
Mike Glen
Project MVP
See
http://tinyurl.com/2xbhc for my free Project Tutorials
I have a 3000 line schedule that was typically about 7M in size. I recently
updated it by adding a new resource and now it is at 187M. What happened?