VCS File - opening and understanding

Did your computer fail to open a VCS file? We explain what they are used for and recommend software that we know can open or otherwise handle your .VCS files.

What is a VCS file?

Files that contain the .vcs file extension are usually associated with the vCalendar e-calendar and scheduling software application.

This VCS file format is primarily used by the Microsoft Outlook email and scheduling application, but other scheduling software applications can use the VCS file format as well.

A VCS file contains information about events and appointments that a user schedule's in the software's associated calendar. This information can then be imported into other calendar and scheduling software application, such as Microsoft Outlook, Apple iCal and a variety of Palm PDA applications.

The Valve Left 4 Dead computer gaming software has also been known to use the .vcs file suffix. This application uses the .vcs file extension for the shader files that are used by the computer game.

How to open VCS files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension VCS for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different VCS openers which you will find listed below.

Suggest another file format using extension VCS

While we know of one file format using the .VCS file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .VCS file.

Various viewers for this file format

These apps are known to open certain types of VCS files. Remember, different programs may use VCS files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Microsoft OutlookMicrosoft OutlookUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
IBM Lotus Notes/DominoIBM Lotus Notes/DominoUser submitted
Palm DesktopPalm DesktopUser submitted
IBM Notes/DominoIBM Notes/DominoUser submitted
SasukeSasukeUser submitted
Lotus NotesLotus NotesUser submitted
Citrix ICA ClientCitrix ICA ClientUser submitted
GroupWise Internet Browser Mail IntegrationGroupWise Internet Browser Mail IntegrationUser submitted
Lotus Symphony SpreadsheetsLotus Symphony SpreadsheetsUser submitted
We have not verified any software that we know for certain will work with VCS-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with VCS-files. If you know one, please use the 'Suggest a program' link below and tell us about it!