how do I excrypt a file so that it can be opened with CA PGP

[Bill Fears]

Gnupg has a fact that referers to PGP compatiblity, but does anyone
have any experinses they can share?

I used gpg -r <thekey>  --compress-algo 1 --cipher-algo cast5 -e <filename>
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     william fears
     williamfears.com
     o(-_-)o
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