open an Explorer window. go under Tools|Folder Options|File Types. scroll down to the type of file you checked this option for. click on it and then click on the Advanced button. click on the Open action and then recheck the box that says ask what to do.
Herb...
I accidentally checked the box in OE that prompts you whether not you want to open or save an attachment (Always ask?). How do I change this back?

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