Using Office '10, I have the default file save set to .xls since created worksheets often go to people using earlier Excel versions. We do not use anything close to advanced Excel abilities so saving as .xls is just fine.

Although I can uncheck the warning box to not check compatibility the next time, Excel will still post the warning on when a different file under the same circumstances is loaded.

Is there a way to tell the program is stop checking for compatibility?

Thanks,

Mark

Attached Images

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