File Extension Library

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.C2K File Extension

  • Developer by: Microsoft Corporation
  • Category: Various data Files

What are .C2K files and how to open them?

Can't open .C2K file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .C2K file.

What is a .C2K file extension?

.C2K file extension is created by Microsoft Corporation. .C2K has been classified as Various data Files.

.C2K is Microsoft Project holidays data

The c2k file extension is associated with the Microsoft Project, a planning tool available for various platforms and as on-line service.

The c2k file contains information about holidays in XML file format.


How to open:

Use Microsoft Project to work with *.c2k files.

How to convert:

Microsoft Project may be capable to export *.c2k files to other formats.

How to fix problems with .C2K files

  1. You need to update the application that you normally use to open .C2K files. Only the latest version of the software supports the current .C2K file format
  2. You need to check the .C2K file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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