| eqp | BPM Studio Equalizer Presets Data |
| eqp | MathType Preferences |
| equiv | IBM AIX System Configuration Data |
| esc | PRTWIN Escape Codes |
| eset | Extensions Manager Settings Data |
| esi | EtherCAT Slave Information File |
| esm | Bethesda Softworks Settings Data |
| esy | EmEditor Syntax file |
| evp | EarthView Settings |
| ewc | EWView for DOS Configuration |
| excs | Classic Shell Settings Data |
| exe4j | Exe4j Configuration |
| exp | Navicat for Oracle Datapump Export Profile |
| exp | SonicWALL Exported Preferences Data |
| exportedui | Microsoft Office Exported UI Customization |
| exrc | EX Configuration |
| exs | Logic Pro Sampler Instrument |
| ext | WinBatch Studio Extender Settings |
| ezhex | Logitech Harmony Saved Configuration |
| fboptsx | FileBoss Settings Data |
| fbt | Abbyy FineReader Document Options File |
| fc | FirstClass Settings Data |
| fcfg | Fedora Server Configuration Data |
| fchp | Fetch Preferences Data |
| fcp | FirstClass Client Protocol Data |
| fcs | Foobar2000 Columns UI Settings Data |
| fcs | RealProducer Pro Settings Data |
| fcu | Totalflow PCCU32 Configuration |
| fdoc | Microsoft XPS Document Settings |
| fdp | Festo Drive Parameters Data |
| feq | Foobar2000 Equalizer Preset |
| ffapreset | ffdshow Audio Preset Data |
| ffpreset | FFmpeg Presets Data |
| ffs_batch | FreeFileSync Batch Configuration |
| ffs_gui | FreeFileSync Configuration Data |
