| 51. | .ppm | image/x-portable-pixmap |
| 52. | .pps | application/vnd.ms-powerpoint ◊ application/mspowerpoint |
| 53. | .ppt | application/vnd.ms-powerpoint ◊ application/mspowerpoint ◊ application/powerpoint ◊ application/x-mspowerpoint |
| 54. | .ppz | application/mspowerpoint ◊ application/ppt |
| 55. | .pqf | application/x-cprplayer |
| 56. | .pqi | application/cprplayer |
| 57. | .pre | application/vnd.lotus-freelance ◊ application/x-freelance |
| 58. | .prf | application/pics-rules |
| 59. | .proxy | application/x-ns-proxy-autoconfig |
| 60. | .prt | application/pro_eng |
Top 10 
Feedback