How to open CP3 files
Did your computer fail to open a CP3 file? We explain what CP3 files are and recommend software that we know can open or convert your CP3 files.
What is a CP3 file?
The CP3 file extension indicates to your device which app can open the file. However, different programs may use the CP3 file type for different types of data.
While we do not yet describe the CP3 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 CP3 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!
Update info Upload example file
Various CP3 openers
These apps are known to open certain types of CP3 files. Since many different programs may use CP3 files for different purposes, you may need to try a few of the apps to open your specific CP3 file.
![]() | ChessBase | User submitted |
![]() | ChessBase Light | User submitted |
![]() | Singer Song Writer Lite | User submitted |
![]() | Singer Song Writer | User submitted |
![]() | ChessBase Reader | User submitted |
![]() | Classroom Presenter | User submitted |
![]() | Singer Song Writer VS | User submitted |
![]() | VOCOO Player | User 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.