| esb | Es-Builder Book |
| escopy | ES Explorer Temporary File |
| ese | Millions Email Generator Email List |
| esf | Steganos Password Manager Container File |
| esi | USoft Application Resources Data |
| eslock | ES File Explorer Encrypted Data |
| esn | Windows XP Cache Data |
| eso | EnergyPlus Simulation Output |
| esobi | NewsXpresso Data |
| esp | ACD/Labs Dataset |
| espass | Electronic smartPass Data |
| esr | 4D Database External |
| est | Streets & Trips Map Data |
| estg | STAR-CCM+ Geometry File |
| esw | AGTEK Earthwork 3D Data |
| esw | Turbo Smetchik Data |
| esx | Xactimate Insurance Claims Estimate |
| esz | AGTEK Zipped ESW Data |
| et | Easiteach Lesson |
| et1 | ENERGY-10 Weather Data |
| etb | Project Pluto Guide Event Table |
| etb | Micro Focus Extra! Toolbars Data |
| etc | eTreppid Compressed Data |
| etd | Adobe Reader EBX Transfer Data File |
| etff | Encrypt4all Theme Data |
| eti | ETI Stream |
| etq | eSignal Time and Quotes Data |
| etr | eTextReader Document |
| eup | EagleUp Data |
| eus | EDonkey2000 Serverlist Tool Data |
| ev | Echoview File |
| ev1 | Calendar Commander v1 Event File |
| ev2 | Calendar Commander v2 Event File |
| ev3 | Team Manager 2 Meet Export File |
| ev3p | Lego Mindstorms EV3 Program File |
