Efficient Calendar Free Portable is available for download from the developer’s website at or you can grab it from the link at the bottom of this page.
RunEfficient CalendarFree Portable
Apart from packing a wide range of features such as time zone, date and file transfer interfaces, Efficient Calendar Free Portable is a clean effort to provide a free Calendar application. However, the only problem that the program has is its incompatibility with Windows 7.
It is recommended for users to ru