Home : File Types : ICS File (3 File Associations)

.ICS File Extension

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File Type 1Calendar File

DeveloperN/A
Popularity
3.5 (36 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryMisc Files
FormatText

Text

This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

Definition

Universal calendar format used by several email and calendar programs, including Microsoft Outlook, Google Calendar, and Apple Calendar; enables users to publish and share calendar information on the Web and over email; often used for sending meeting requests to other users, who can import the events into their own calendars.

More Information

Calendar files are saved in a plain text format. They contain information such as the title, summary, start time, and end time for the calendar event. The Calendar format also supports event updates and cancellations.

You can quickly convert your ICS file to other popular file formats, such as .CSV, .PDF, .XLSX, and .HTML, with the ICS File Converter web program.

NOTE: Apple Calendar was formerly known as Apple iCal but was changed in 2012 with the release of OS X Mountain Lion.

Program(s) that open .ICS files
Microsoft Windows LogoWindows
Microsoft Outlook 2013
Mozilla Lightning
Mac OS X LogoMac OS
Apple Calendar
Mozilla Lightning
Linux LogoLinux
Mozilla Lightning
Horde Kronolith
Claws Mail
with vCalendar plugin
Web LogoWeb
Google Calendar
ICS File Converter
Updated 8/5/2015

File Type 2IronCAD 3D Drawing File

DeveloperIronCAD
Popularity
2.7 (3 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryCAD Files
FormatN/A

Unknown

File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

Definition

Three-dimensional model or scene created with IronCAD, a 3D CAD program; may contain one or more 3D objects with colors, textures, lighting effects, and animation data.

More Information

NOTE: ICS files may automatically open in a calendar program such as MS Outlook due to the iCalendar file association. To open ICS files in IronCAD, you may need to right-click the file, select "Open With..." and choose IronCAD as the program.

Program(s) that open .ICS files
Microsoft Windows LogoWindows
IronCAD
Updated 6/23/2008

File Type 3IC Recorder Sound File

DeveloperSony
Popularity
2.0 (2 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryAudio Files
FormatBinary

Binary

This file is saved in a binary format, which requires a specific program to read its contents.

Definition

Audio file created by a Sony IC recorder (e.g., the Sony ICD-R100), a handheld device used for recording personal messages; commonly used for storing voice audio, which is useful for forensics and legal environments, as well as for general personal memos.

Program(s) that open .ICS files
Microsoft Windows LogoWindows
Sony Digital Voice Player
Sony Digital Voice Editor
Microsoft Windows Media Player with Sony Player Plug-in
Updated 2/28/2012