Saving changes to a temporary file
You are saving changes to a temporary backup file. If you save this file, you may lose some information in this file, including views and macros that were in the original file.
Using the Planning Wizard, you can:
Save the temporary file.
Microsoft Project will the save the temporary file, but you may lose some data.
Cancel the save operation.
Cancel saving, and allow Project to restore the file the next time you start Project.
If you don't want the Planning Wizard to display this information again, select the Don't tell me about this again check box.