A daily updated filename extension database!

ICS file extension

The table below provides useful information about the .ics file extension. It answers questions such as:

  • What is the .ics file?
  • What program do I need to open a .ics file?
  • How can the .ics file be opened, edited or printed?
  • How can I convert .ics files to another format?

We hope you find this page helpful and a valuable resource!

3 extension(s) and 0 alias(es) found in database

✅ Swiftview Imaging Command Set

ICS file is a Swiftview Imaging Command Set. The Imaging Command Set (ICS) is the primary language to configure and control SwiftView Viewer and SwiftConvert.
Category: Graphic files
Application: SwiftView Viewer
Mime-type: application/vnd.swiftview-ics
Magic number: -
Magic string: -
Sample: -
ICS aliases:
ICS related links:
ICS related extensions:
Compressed Swiftview Document

✅ iCalendar Data

ICS file is an iCalendar Data. iCalendar is a standard (RFC 2445 or RFC2445 Syntax Reference) for calendar data exchange. The standard is also known as iCal, which is the name of the Apple Computer calendar program that was the first software implementation of the standard.
Category: Document files
Application: Microsoft Outlook
Mime-type: text/calendar
Magic number: -
Magic string: -
Sample: -
ICS aliases:
ical, icalendar
ICS related links:
ICS related extensions:
vCalendar Document

✅ IronCAD Scene

ICS file is an IronCAD scene.
ICS format description not yet available
Category: Document files
Application: IronCAD
Mime-type: application/octat-stream
Magic number: -
Magic string: -
Sample: -
ICS aliases:
ICS related links:
ICS related extensions:
Autodesk AutoCAD Drawing

Autodesk Drawing eXchange File

Caligari TrueSpace Scene

WorkView3D Links

Autodesk AutoCAD Heidi Information File

Autodesk AutoCAD Heidi Device Interface

Pro/ENGINEER Neutral Assembly

Cadence Allegro PCB Layout

Catia Document

Ashlar-Vellum Graphite Document

Other types of files may also use the .ics file extension.

🚫 The .ics file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cis, cs, ic, icc, ice, icq, icw, icx, icz, ids, ifs, is, isc, iss, ivs

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

L0phtCrack Password Database
Light-O-Rama Compressed Sequence File
Alstom MMS LCS Compiler Report
CheckInbox Settings
InfoSlips Package
InterCAD Document
FractInt IFS File
Infini-D Scene
Infinity Engine Text Based Lookup Table
CoolTalk Invitation Data

🔴 Can't open a .ics file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .ics file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .ics file extension, write to us!

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