TEssentialPIM editions overview.
EssentialPIM comes in several editions to satisfy any of your organizing needs:

Pro and Free editions

Features	EssentialPIM Pro	EssentialPIM Free
General
Versatile import/export capabilities	Yes	Yes
Secure advanced encryption	Yes	No
Multi-user access to database*	Yes	No
Sticky Notes on Desktop	Yes	No
Storing and/or linking attachments	Yes	No
Advanced backup	Yes	No
Sending any item to e-mail	Yes	No
Synchronization with Windows Mobile devices**	Yes	No
Synchronization with Palm devices**	Yes	No
Synchronization with Google Calendar**	Yes	No
Synchronization with Outlook**	Yes	No
Global cross-linking	Yes	No
Scheduler
Color-coded, easy to read day/week/month schedules	Yes	Yes
Easy printout of days, weeks, or months; save as web page	Yes	Yes
Filter categories	Yes	No
Editable categories of tasks or events	Yes	No
Custom view	Yes	No
To Do List
Categories, priority, completion status, due date, and reminder fields	Yes	Yes
Tools that sort and categorize	Yes	Yes
Hierarchical To Do lists	Yes	No
Assignees	Yes	No
Outliner
Tree-like multilevel structure, unlimited number of folders and notes	Yes	Yes
Insert pictures, tables, any formatted text (fonts, subscripts/superscripts, colored text background, multilevel bullets and numbering, Unicode, background images)	Yes	Yes
Multiple tabs for note trees and single notes	Yes	No
Contact Manager
Wide selection of fields - adding a new data field to a contact is a snap	Yes	Yes
Powerful, fast search and sort features	Yes	Yes
Adjustable views	Yes	Yes
Contact groups	Yes	No
Email
Unlimited number of email accounts	Yes	No

Portable (U3 edition is also available)- keeps and manages all your personal data on USB stick.

1. EssentialPIM Portable Edition

EssentialPIM Portable (both Free and Pro editions) is U3-compliant and works straight from your removable media, whether you use a USB flash drive, compact flash card, or even a good old floppy.
2. Benefits

Plug and run EssentialPIM. All your settings are stored on the removable media.
All your data is saved in one single *.epim file, which can be stored on the same removable media.
All data is strongly encrypted. The portable edition uses industry standard Rijndael, 128 bit key (same as the desktop edition).
No traces are left on the system you are using.
You can set up directories for backup and temporary files on your home computer.
3. Technical differences from the desktop version

All settings are stored only on the removable drive.
*.ini and *.epim files are stored in the Portable EssentialPIM program folder by default.
You can select an optional autorun of Portable EssentialPIM when you insert the removable media.*
Software provides automatic association/dissociation with Portable EssentialPIM *.epim files on any computer.*
You can create shortcuts to Portable EPIM from within the program on any computer.*
4. *EssentialPIM Pro Portable Edition only

Network edition- a powerful and complete collaboration solution for small to medium size businesses. It can be installed and configured within 10 minutes by an average computer user without a need for a dedicated server.

EssentialPIM Pro Network Edition
EssenialPIM Pro Network is the solution for small to medium workgroups. Sharing Calendar, Contact, To Do and Notes data, communicating, setting priorities and tasks- EPIM Network is about this.
he network edition has all the features of EssentialPIM Pro but adds a powerful network capability to make workgroups. It is easy to install and fun to use.