Word 2007 default file save format

[Neil]

I have just started using Word 2007 and have set the default file save format
to doc several times but every time I re-open Word it has set itself back to
docx. How do I stop this?

 

[Herb Tyson [MVP]]

I presume you're making the settings change in Word Options - Save tab? If
settings aren't being saved, this usually indicates a corrupted registry
entry. I would try renaming or deleting the Options key, which is located
here in the registry:

HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Word\Options

It might be enough to manually change the setting for DefaultFormat (Doc),
but if the registry key is corrupted, then you might need to rename or
delete the whole Options key. Word will automatically recreate it the next
time Word is started.