BOX File - opening and understanding

Did your computer fail to open a BOX file? We explain what they are used for and recommend software that we know can open or otherwise handle your .BOX files.

What is a BOX file?

A .BOX file is an Email Message file. Files that contain the .box file extension are most commonly used to store email messages. A variety of email applications use the .box file extension to store collections of email messages. These email messages can be opened individually by opening the contents of the BOX file.

The .mbox and .dbx file extensions have been replacing the BOX file format over time. Popular email programs that use the .box file extension include the Lotus Notes Mailbox, FoxMail, and Calypso email applications.

How to open BOX files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension BOX for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different BOX openers which you will find listed below.

Other file formats using extension .BOX

While Email Message is a popular type of BOX-file, we know of 3 different uses of the .BOX extension.

The BOX file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a BOX opener may not be able to open all kinds of BOX files. In this case, look through all formats to make sure you find the best suited BOX viewer.

Boom Box project

Through our analysis of BOX files, we know that one use of the format is Boom Box project . We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

While we have not verified the apps ourselves yet, our users have suggested 10 different BOX openers which you will find listed below.

Microsoft Store download package

Through our analysis of BOX files, we know that one use of the format is Microsoft Store download package. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

While we have not verified the apps ourselves yet, our users have suggested 10 different BOX openers which you will find listed below.

Various viewers for this file format

These apps are known to open certain types of BOX files. Remember, different programs may use BOX files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Harmony Assistant - Win32Harmony Assistant - Win32User submitted
Melody Assistant - Windows -sMelody Assistant - Windows -sUser submitted
MediaShoutMediaShoutUser submitted
TemplotTemplotUser submitted
MYOB Accounting PlusMYOB Accounting PlusUser submitted
OVSViewerOVSViewerUser submitted
Dragon UnPACKerDragon UnPACKerUser submitted
RuppLynx Browse ModeRuppLynx Browse ModeUser submitted
MYOB AccountRight PlusMYOB AccountRight PlusUser submitted
MYOB AccountingMYOB AccountingUser submitted
We have not verified any software that we know for certain will work with BOX-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with BOX-files. If you know one, please use the 'Suggest a program' link below and tell us about it!