Re-create a whole new file from the corrupted/bloated file:
a new blank project file
2. Go to Insert/Project
and insert the problem file.
the first task which will be the insertion point summary line.
4. Go to Project/Task Information/Advanced tab.
the "Link to Project
" button and hit "OK".
6. If the file isn't already expanded, expand it.
7. Select all tasks
below the top level summary line.
the selected tasks.
the first task which previously was a summary line.
the resulting file.
Hope this helps.
If this standard way does not help, then you can try to restore the file from backup, or in an extreme case, you can help Project Repair Kit that can extract information from the damaged file and save it in desired format. visit this website. http://www.project.repair/