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Efficient Calendar Portable 5.21 Build 522

A simple and elegant calendar and planner for Windows

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Efficient Calendar Portable screenshotEfficient Calendar is a simple and well-designed calendar, reminder and planner which will help you better organize your tasks, appointments and important events. The program offers several calendar views, including Year, Month, Week and Day views. A list view which will help you track and manage your events is available as well.

Efficient Calendar allows you to better manage your to-do lists by adding subtasks at any level. The program will remind you all your events, tasks and appointments in time, so you will never miss any of your important things.

Efficient Calendar comes with 10 different interface styles which will help you customize the program according to your needs. Various tones and colors are available, such as pink, silver, black, green, or blue. You can also set the priority and importance for various tasks and events.

Efficient Calendar integrates an effective and comprehensive document editor which is similar to Microsoft Word. You can use this editor to write down comments for all your tasks, events or appointments.


  • It's portable and does not require installation.
  • Provides various interface styles and colors.
Name Efficient Calendar Portable
Version 5.21 Build 522
Developer | see all products from this developer
Product Homepage Efficient Calendar Portable
License Free to try (Shareware)
Last Week Downloads 0
All Time Downloads 732
Filesize 20.8MB
MD5 Checksum 100FEFA906311B8DDC2DD9C2D54D801D
OS Support Windows All
Category Business

100% CLEAN Certification

BadgeEfficient Calendar Portable has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
Efficient Calendar Portable 5.21 Build 522 July 18, 2016 - Latest Version
Efficient Calendar Portable 3.81 Build 383 February 12, 2015
Efficient Calendar Portable 3.81 Build 379 January 16, 2015
Efficient Calendar Portable 3.70 Build 366 June 13, 2014
Efficient Calendar Portable 3.62 Build 357 April 01, 2014

Download the free Efficient Calendar Portable