| pwdump | Pwdump Dump Data |
| pwinsured | Policy Works Insured File |
| pwk | Blackberry Password Keeper Data |
| pwl | Adobe Illustrator Portfolio Wall Data |
| pwm | Password Vault Manager Data |
| pwm | ThinkVantage Password Manager Data |
| pwm | WebMoney Keeper CLASSIC Purse Data |
| pwo | WinNonlin Workbook Object |
| pwr | XPower Analyzer Report |
| pwre | PasswordTools Data |
| pwrep | Password Repository Data |
| pws | Corel Painter Workspace Data |
| pws | ProWorks Data |
| pwt | Password Tracker Deluxe Tracking List |
| pwt | ProShow Producer Wizard Theme |
| pww | Patternland Weave Simulator Data |
| pwx | PowerAgent Exported Workout |
| px | ETCBC Parsed Text Data |
| px | Paradox Primary Index File |
| px | PC-Axis Statistical Data |
| px | Photodex ProShow Streaming Video |
| px | PX Submission Summary Data |
| px3 | PhraseExpress Phrase Data |
| px5 | Clone Manager Primer Collection Data |
| pxa | PhraseExpress for Android Phrase Data |
| pxa | XpressAccounts Data |
| pxb | Pixelmator Brush File |
| pxc | Photodex ProShow Cache |
| pxc | PX-Edit Classification Data |
| pxd | PXLab Design |
