| .ort |
Rich Text Editor Document |
| .opeico |
Opeico Text File |
| .odif |
Open Document Interchange Format |
| .openbsd |
OpenBSD Readme File |
| .odo |
Online Operating System Write Document |
| .pages |
Pages Document |
| .pfx |
PKCS #12 Certificate File |
| .pvm |
Parallels Virtual Machine |
| .prt |
Creo Parametric Part File |
| .prdx |
SoftMaker Presentations File |
| .pjt |
FoxPro Project Memo |
| .pwi |
Pocket Word Document |
| .psw |
Windows Password Reset Disk File |
| .pmo |
Broderbund Print Meta Object File |
| .pwd |
Pocket Word Document |
| .pages-tef |
Pages iCloud Document |
| .plantuml |
PlantUML File |
| .pvj |
ProofVision Job Ticket |
| .pwdpl |
Password Pad Lite Document |
| .pwr |
PowerWrite Document |
| .pdpcmd |
Pdplayer Command File |
| .plain |
Plain Text File |
| .qdl |
QDL Program |
| .qpf |
Quartus II Project File |