| exprwdskin | Microsoft Expression Web Skin Data |
| exprwdstm | Microsoft Expression Web STM Data |
| exprwdtheme | Microsoft Expression Web Package Theme |
| exprwdtxt | Microsoft Expression Web Text Data |
| exprwdxml | Microsoft Expression Web XML Data |
| exprwdxsl | Microsoft Expression Web XSLT Data |
| extra | BreakPad Crash Log Extra Data |
| extrep | Sage External Representation |
| extz | Extron PCS Configuration Backup |
| exx | IBM Linkway MsgPut Data |
| exy | ISIS GIS Diagnostic Data |
| ex_ | Compressed EXE File |
| eyd | ASL EYE-TRAC PC Data |
| eyetvp | EyeTV Recording Metadata |
| eyetvsched | EyeTV Schedule Data |
| eyml | Visual Studio Code EYML Data |
| eyp | Eyapp Grammar Data |
| ez | Andrew Toolkit Inset Data |
| ezc | Autodesk AutoCAD ecscad Component Backup |
| ezd | WSxM Image Data |
| ezj | EZPCBQuote Designer Job Data |
| ezk | EasyKrypt Encrypted Data |
| ezl | EasyLog Log Record |
| ezlog | Skype Extras Manager Log |
| ezm | EasyOffice Mail Data |
| eztut | Logitech Harmony Tutor Data |
| eztutor | Logitech Harmony Tutor Data |
| ezup | Logitech Harmony Firmware Upgrade |
| ezupgrade | Logitech Harmony Firmware Upgrade |
| f01 | HEC-RAS Flow File |
