I want to add a file to a .MDR file, what program should i use?

CHfan4ever

Diamond Member
Oct 1, 2004
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I have a large file, ending wit .MDR.

I can open the file with winrar, and see all its content, but i wanna add another file into that .MDR file and resave that .MDR

Winrar doesnt allow to add/save if the file doesnt have a .zip or .rar extension.

Thanks if you can hyelp :)