How to open COLLECTION files

Did your computer fail to open a COLLECTION file? We explain what COLLECTION files are and recommend software that we know can open or convert your COLLECTION files.

What is a COLLECTION file?

The COLLECTION file extension indicates to your device which app can open the file. However, different programs may use the COLLECTION file type for different types of data.

While we do not yet describe the COLLECTION file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about COLLECTION files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!


These apps are known to open certain types of COLLECTION files. Since many different programs may use COLLECTION files for different purposes, you may need to try a few of the apps to open your specific COLLECTION file.

Adobe BridgeAdobe BridgeUser submitted
BridgeBridgeUser submitted
Free Torrent ViewerFree Torrent ViewerUser submitted
MP3-XtremeMP3-XtremeUser submitted
ShareZillaShareZillaUser submitted
K-liteProK-liteProUser submitted
Gnutella TurboGnutella TurboUser submitted
SharetasticSharetasticUser submitted
BearShare MP3BearShare MP3User submitted
ShareGhostShareGhostUser submitted
CruxCruxUser submitted
ShareazaPlusShareazaPlusUser submitted
Shareaza PROShareaza PROUser submitted
Fastload.TVFastload.TVUser submitted
BitHostBitHostUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with COLLECTION-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with COLLECTION-files. If you know one, please use the Suggest link below and tell us about it!