File Extension Library

.COSESSIONDB File Extension

  • Developer by: Phase One
  • Category: Data Files
  • Format: Binary

What is an .COSESSIONDB file?

.COSESSIONDB file extension is created by Phase One. .COSESSIONDB has been classified as Data Files. The format of .COSESSIONDB file is Binary.

.COSESSIONDB is Capture One Session File

A COSESSIONDB file is a session file created by Capture One, a program used for managing digital photos. It stores a collection of photos that have been selected by the user and organized as an album. COSESSIONDB files are used to organize your work as a project.

COSESSIONDB files are located in "Sessions" folders in the Capture One directory on your computer. COSESSIONDB files replaced .COL, COL 60, COL50, and COL45 files, which were used by older versions of Capture One. These older files can still be opened by Capture One.

Common COSESSIONDB Filenames

.cosessiondb - This is the naming convention of COSESSIONDB files.

List of all softwares that can open the Capture One Session File
Phase One Capture One
Phase One Capture One

How to Open .COSESSIONDB file on different platforms

Open .COSESSIONDB File on Windows

  • Right-click a .COSESSIONDB
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .COSESSIONDB file and Select check box "Always use this app to open .COSESSIONDB files" Press "Ok"

Open .COSESSIONDB File on Mac

  • Right-click (or Ctrl + Left-click) the .COSESSIONDB file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .COSESSIONDB File on Linux

Right click on the .COSESSIONDB file, choose "Open with" and select a program from the list above

Open .COSESSIONDB File on iPhone

Select a file. If you don't see an application to open the .COSESSIONDB file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .COSESSIONDB File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .COSESSIONDB files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .COSESSIONDB files

  1. You need to update the application that you normally use to open .COSESSIONDB files. Only the latest version of the software supports the current .COSESSIONDB file format
  2. You need to check the .COSESSIONDB file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)