Home : File Types : ICBU File

.ICBU File Extension

File TypeCalendar Backup File

3.0 (1 Vote)
CategoryBackup Files

What is an ICBU file?

Calendar archive created by Calendar, a calendar application included with Mac OS X; contains a backup of one or more calendars; used for restoring calendars in the event data is lost.

More Information

ICBU files can be created by selecting File → Export... → Calendar Archive... in Calendar. The export format is actually a folder (with the ".icbu" extension) that contains a subfolder for each calendar and .ICS files for the calendar events.

When restoring backups, Calendar overwrites all existing calendar data. The program prompts the user to overwrite the data before performing the operation.

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

Open over 400 file formats with File Viewer Plus.

Programs that open ICBU files

Included with OS
Updated 11/11/2014

About ICBU Files

Our goal is to help you understand what a file with a *.icbu suffix is and how to open it.

The Calendar Backup file type, file format description, and Mac programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

If you would like to suggest any additions or updates to this page, please let us know.