This is not usual behavior.

I would suspect some sort of addin that's helping out if this really happens in
all the workbooks. (If it only happens in a few--not all), then it may not be
an addin. It could be a developer that's helping out.)

If it's just a few workbooks, I'd talk to the developer to see what was going
on.

If it happens in all workbooks, then...

Chip Pearson has some notes on how to diagnose startup errors at:
http://www.cpearson.com/excel/StartupErrors.htm

And Jan Karel Pieterse has more notes at:
http://www.jkp-ads.com/Articles/StartupProblems.htm

Jaan wrote:

I need help. If i turn on or turn off Autofilter, Excel autosaving workbook.
I can not find solution. This problem in all files.

--

Dave Peterson