No. Renaming the extension does not change the file structure. The emulator will fail to load the game.
How to Use a 7z to NDS Converter: A Complete Guide for Retro Gamers 7z to nds converter
The converter, dubbed "7z2nds," slowly took shape. It would extract the contents of a 7z archive and repackage them into an NDS file. Alex encountered numerous challenges along the way, from handling edge cases to optimizing performance. 7z to nds converter
Possible reasons: