Ever since DOS 1.0, over the past 25 years (!!!) hundreds of thousands of programmers have written billions of lines of code for millions of programs...

http://www.file-ext.com/

When in doubt, programmers create new file extensions!!!

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Geo here... <small>antique computer enthusiast
Mac Powerbook G3/500MHz=<i>Pismo</i> :: 384MB ram; 80GB hdd; <b>MacOS 9.2.2</b>
Compaq Presario 5360 :: 450MHz AMD Athlon, 192MB ram; 120GB hdd; <b>Win2k PRO SP4</b>
ISP :: <u><b>SBC</b>-Yahoo!-DSL</u>; 164KB/sec DL; 50KB/sec UL; <u><b>2Wire</b> <i>DSL modem / Wi-Fi / NAT firewall</i></u>
PtoP :: LimeWire 4.8.1 <b>PRO</b> || Shareaza 2.1 <i>for BitTorrents, mostly</i> || but not concurrently! <i>
This is an INTEL-free, pre-Y2K CPU, recycled-computer environment! </i>