Downloading Categorize Plus 2.1 from our website was free. This program is a product of VeranoSoft. Categorize Plus is included in Office Tools. The most popular versions among the software users are 2.1 and 2.0.
From the developer:
Categorize Plus is a plug-in for Microsoft Outlook. This plug-in enables users to categorize and search Outlook items so that information can be found quickly using the fewest possible keystrokes. This is accomplished by employing drop down menus that contain both categories and subcategories in the form of a selectable menu hierarchy.
You may want to check out more software, such as T.R.A.C.E. - Train Resource Archive & Categorized Encyclopedia, Tidy Start Menu or TaskPrompt, which might be similar to Categorize Plus.