Use the tool here: https://emn178.github.io/online-tools/aes/decrypt/
It was created with this command using the computer password.
openssl enc -aes-256-cbc -pbkdf2 -in ../secrets.txt -out secrets.enc cat secrets.enc | base64
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
Here is some random text created with that to try your luck at decryption (using a different password that was used in the 90s)
U2FsdGVkX19fcPk4XIU/qWiyC4/tBUx7Azo62AONeVU=
Jhoed 5103796458 Shawn 5048136816 Jaime 4156768964 Keith (415) 370-7083 Brian 415-312-1958 Noel (216) 357-8134 Nick 9258189963 Chris 4086181732 Neal 2096137094 Skylar 619-610-8586 Caleb (619) 866-9103 Hender 58 414 679 6031 Osmar 52 777 716 1068 Divini 415 305 8299 Galiandos 415 471 0376
CALLE TAXCO 303, COL VISTA HERMOSA, CUERNAVACA MORELOS
+52 15545742173
Francisco Zarco