>> EPW file

EPW file format description

Many people share .epw files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .epw file can be edited, converted or printed with. On this page, we try to provide assistance for handling .epw files.

1 filename extension(s) found in our database.

.epw - EnergyPlus Weather Data

The EPW data files are related to EnergyPlus. EPW file is an EnergyPlus Weather Data. EnergyPlus is a whole building energy simulation program that engineers, architects, and researchers use to model energy and water use in buildings.

Data files
- / -
EnergyPlus Weather Data related extensions:
EnergyPlus Simulation Output
EnergyPlus Weather Data Summary Report

Naturally, other applications may also use the .epw file extension. Even harmful programs can create .epw files. Be especially cautious with .epw files coming from an unknown source!

Can't open a .epw file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .epw file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ep, epa, epd, eps, ew, ewp, fpw, pew, pw, rpw, spw, wpw

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

SigmaPlot Worksheet
WordPerfect Works Document
Pathetic Writer Document
IAR System Project
Pencil for Firefox Document
Microsoft Visual FoxPro Configuration

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .epw file format, then write to us!

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