COL File Extension

COL file icon

Capture One Session Format

  • File Type col
  • Developer Phase One
  • Popularity
    4.1 (39 votes)
  • Application AutoCAD
  • Category Settings Files
  • Format Binary

What is a COL file?

Files with the COL extension are specifically tied to Capture One Session Format, a Settings Files type, and there are 1190 files in this category.

The Capture One Session Format (COL) was developed by Phase One A/S, which created file format and 2 programs to work with them.

COL file support extends to various operating systems, including Windows. To settings a COL file, you can use software like AutoCAD.

Programs that support COL files

Windows logo

Windows

How to open a COL file?

If you cannot open a COL file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

AutoCAD has gained great popularity and is often seen as the leading software for handling COL files. If you need the newest version of AutoCAD, just access the Autodesk website. From there you can download the installer compatible with all systems.

Once AutoCAD is installed, the OS should configure it as the default tool for opening COL files.

Make AutoCAD the default COL viewer

Change the default app to open files on Mac

  1. Right click or use Control + Left Click on the desired COL file to access a dropdown menu of actions;
  2. Choose "Open in Application" and click "Other";
  3. Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
  4. In this menu, select "All Programs" and search for AutoCAD. Check the box next to "Always open in app" to make it the default option.

Change a default app in Windows

  1. Start by right-clicking on your COL file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
  2. Inside the popup window, scroll through the list of applications and specifically choose AutoCAD as the application to associate with your COL file;
  3. Check the "Always use this app" checkbox and click "OK".

Finding answers to COL file problems

If COL files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.

What can lead to sudden AutoCAD crashes?

Insufficient updates for Autodesk products can cause AutoCAD to crash. Be sure to regularly install the latest software updates.

A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.

What is the recommended approach to repair a damaged COL file?

Use a recovery program to open the damaged COL file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish as it will automatically restore the damaged settings files.

What are the ways to check if my COL file is damaged?

Characteristics of corrupted COL settings files can include:

  • The file encounters problems during the opening process or shows error indications;
  • The file causes AutoCAD or other software to hang or crash during various operations;
  • An unexplained increase in the size of the COL file;
  • Actions performed on the file result in the appearance of error notifications;