UEXP file format description

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

1 filename extension(s) found in our database.

.uexp - UE Viewer Package

The UEXP archive files are related to UE Viewer. The UEXP file is an UE Viewer Package. Unreal Engine Resource Viewer (UE Viewer) is program for viewing and extracting resources from various games made with Unreal Engine.

UE Viewer
Archive files
- / -
UE Viewer Package related extensions:
Samsung Kies Contacts Backup
ARJ Compressed Archive
EnCase Package
UFA Compressed Archive
Junction Box Backup
Living Cookbook Backup

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

Can't open a .uexp 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 .uexp file extension is often given incorrectly!

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

exp, uxp

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ICQ Saved Chat
CATIA Exported Data
JSDAI Express Project
ASCET Binary Export Data
Aurora Expert Trace Data
IGOR Pro Unpacked Experiment File

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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

DataTypes.net >> UEXP file