>> ICS file

ICS file format description

Many people share .ics files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ics file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ics files.

3 filename extension(s) found in our database.

.ics - Swiftview Imaging Command Set

The ICS graphic files are related to SwiftView Viewer. 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.

SwiftView Viewer
Graphic files
- / -
Swiftview Imaging Command Set related extensions:
Houdini 3D Vertigo File
Houdini 3D Random Access Texture Map
Houdini 3D Image
Houdini 3D Non-commercial Image
Houdini 3D Texture
SBIG CCD Camera Image

.ics - iCalendar Data

The ICS document files are related to Microsoft Outlook. 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.

Microsoft Outlook
Document files
- / -
ical, icalendar
iCalendar Data related extensions:
Twixl Publisher Publication
MacGourmet Deluxe 3 Document
CorelDraw 5 for Mac Drawing
Microsoft Expression Web HTML Template Data
MuseScore v1 Music Score
English Language Info File

.ics - IronCAD Scene

The ICS document files are related to IronCAD. ICS file is an IronCAD scene.

Document files
- / -
IronCAD Scene related extensions:
IronCAD Catalog Data
IronCAD 3D Drawing Document
IronCAD Settings Data

Naturally, other applications may also use the .ics file extension. Even harmful programs can create .ics files. Be especially cautious with .ics files coming from an unknown source!

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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

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, ic5, icc, ice, icq, icw, icx, icz, ids, ifs, is, isc, iss

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Infini-D Scene
Infinity Engine Text Based Lookup Table
ICEOWS Archive
F5 User Configuration Set
InfoSlips Package
InterCAD Document

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .ics file format, then write to us!