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The free Efficient Calendar 5.60.0.556 download is provided on our website. According to the system requirements, this tool supports the following OSs: Windows XP/Vista/7/8/10/11 32-bit. The most popular versions of this program are 5.10, 5.5 and 5.1.
Please note that it is developed by Efficient Software. According to the users’ feedback, the distinct plus of this tool is it is very customizable, though some people think that this tool has such a drawback as the service is very poor.
This tool is a software product which is frequently known as EfficientCalendar.exe and EfficientCalendarFree.exe, etc. You can find this tool in the Productivity category on our software library. The built-in antivirus system reports that this software is virus free.
