Extension	File Type Developer	File Category	File Type Description	Software	Software Developer
.RDC	IBM	Data Files	IBM Voice Type Languages Scripts Data File	Mozilla Firefox	Mozilla
.RDF	Unknown Developer	Settings Files	Resource Description Framework File	Mozilla Firefox	Mozilla
.RHTML	Yukihiro “Matz” Matsumoto	Web Files	Ruby HTML Web Page	Mozilla Firefox	Mozilla
.RJS	Yukihiro “Matz” Matsumoto	Web Files	Ruby Javascript File	Mozilla Firefox	Mozilla
.RMT	The Catalina Group	System Files	Router Firmware File	Mozilla Firefox	Mozilla
.RSA	Various Developers	Uncommon Files	RSA Certificate File	Mozilla Firefox	Mozilla
.RSS	Various Developers	Web Files	Rich Site Summary	Mozilla Firefox	Mozilla

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