ICAL File Extension

ICAL file icon
ICalendar Format

What is ICAL file?

Full format name of files that use ICAL extension is ICalendar Format. ICAL file format is compatible with software that can be installed on Mac OS, Web, Windows system platform. Files with ICAL extension are categorized as Misc Files files. The Misc Files subset comprises 4324 various file formats. Microsoft Outlook supports ICAL files and is the most frequently used program to handle such files, yet 3 other tools may also be used. Microsoft Outlook software was developed by Microsoft Corporation, and on its official website you may find more information about ICAL files or the Microsoft Outlook software program.

Programs which support ICAL file extension

The following list contains programs grouped by 3 operating systems that support ICAL files. ICAL files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support ICAL file

How to open file with ICAL extension?

Problems with accessing ICAL may be due to various reasons. On the bright side, the most encountered issues pertaining to ICalendar Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install Microsoft Outlook

Problems with opening and working with ICAL files are most probably having to do with no proper software compatible with ICAL files being present on your machine. This issue can be addressed by downloading and installing Microsoft Outlook or different compatible program, such as iCal, Google Calendar, PHP iCalendar. Above you will find a complete listing of programs that support ICAL files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Microsoft Outlook website and download the installer.

Step 2. Check the version of Microsoft Outlook and update if needed

You still cannot access ICAL files although Microsoft Outlook is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why ICAL files are not compatible with Microsoft Outlook. The most recent version of Microsoft Outlook is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate ICalendar Format files with Microsoft Outlook

After installing Microsoft Outlook (the most recent version) make sure that it is set as the default application to open ICAL files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the ICAL file
  • Click Choose another app and then select More apps option
  • Finally select Look for another app on this PC, point to the folder where Microsoft Outlook is installed, check the Always use this app to open ICAL files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with ICAL extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • Finally, a This change will be applied to all files with ICAL extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the ICAL for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the ICAL file in question. Problems with opening the file may arise due to various reasons.

1. The ICAL may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the ICAL is infected with a virus, this may be that cause that prevents you from accessing it. Scan the ICAL file as well as your computer for malware or viruses. If the ICAL file is indeed infected follow the instructions below.

2. Ensure the file with ICAL extension is complete and error-free

Did you receive the ICAL file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the ICAL file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the ICalendar Format file again.

4. Verify that your device fulfills the requirements to be able to open Microsoft Outlook

The operating systems may note enough free resources to run the application that support ICAL files. Close all running programs and try opening the ICAL file.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with ICalendar Format files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle ICAL files.

Do you want to help?

If you have additional information about the ICAL file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on ICAL file.

Top File Extensions
Show more
File Extension of the day
hex icon


Hexadecimal Source Format

Files with the HEX extension are source files utilised to save various data stored in hexadecimal system . They may include settings, configuration...