| Subject | English | Thesaurus |
| IT, abbr. | Advanced Program to Program Communication | APPC (IBM) |
| IT, abbr. | Advanced Program to Program Communications Protocol | APPCP (APPC, IBM) |
| abbr. | Advanced Program-to-Program Communication | APPC (Vosoni) |
| abbr., comp., MS | Advanced Program-to-Program Communication An IBM Systems Network Architecture communications method that uses the LU 6.2 protocol to establish, manage, and terminate network communication between programs in a distributed computing environment | APPC (Advanced Program-to-Program Communication) |
| abbr., comp., MS | Advanced Program-to-Program Communication File Transfer Protocol A file transfer protocol used in IBM host systems, the IBM Advanced Program-to-Program Communications equivalent to the TCP/IP File Transfer Protocol | AFTP (Advanced Program-to-Program Communication File Transfer Protocol) |
| abbr., file.ext. | Advanced Program-to-Program Communications | APPC (IBM) |
| abbr., comp., net. | Advanced Program-to-Program Communications | APPC |
| abbr., IT | Advanced Program-to-Program Communications File Transfer Protocol | AFTP |
| IT, abbr. | Program to Program Communication | PPC (Apple) |
| comp., net., abbr. | Program To Program Communications | PPC |
