>> 3R file

3R file format description

Many people share .3r files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .3r file can be edited, converted or printed with. On this page, we try to provide assistance for handling .3r files.

1 filename extension(s) found in our database.

.3r - APP Raster Image

The 3R graphic files are related to Arbortext Advanced Print Publisher. 3R file is an APP Raster Image. Arbortext Advanced Print Publisher (APP) is a commercial typesetting software application sold by Parametric Technology Corporation.

Arbortext Advanced Print Publisher
Graphic files
- / -
APP Raster Image related extensions:
PhotoLine Image
Pixelmator Image
Pinnacle Deko Graphics Data
Capture One Preview Data
Capture One Preview Image
Capture One Enhanced Image Package

Naturally, other applications may also use the .3r file extension. Even harmful programs can create .3r files. Be especially cautious with .3r files coming from an unknown source!

Can't open a .3r 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 .3r file extension is often given incorrectly!

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

3d, 3g, er, rr, wr

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ISO Disk Image with Rock Ridge Extension
CAD-3D Model
Cadwork 3D Drawing
STK Write Ups File
3GP Video File
Geocadabra 3D Data

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 .3r file format, then write to us!