ICS file, how can I open a .ICS file?
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.
✅ Swiftview Imaging Command Set

The 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.
✅ iCalendar Data

The 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.
✅ IronCAD Scene

The ICS file is an IronCAD scene.
✅ InCenter Server Settings Backup

The ICS file is an InCenter Server Settings Backup. The InCenter is an administrative tool for the centralized monitoring and management of one or many Clavister Next Generation Firewalls.
⚠ Be careful with .ics files.
It's important to know that the .ics file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .ics files. Be cautious when dealing with .ics files from unknown sources.
🚫 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:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 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:
Select an app to open this .ics file
It means that the operating system does not have a default app associated with the .ics file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .ics file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .ics file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
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