Definition of Informal Report

There are various types of reports. All types of report can be classified according to their action, formality, function and length etc. 
 
From the view of formalities all reports can be classified in two division i.e. Formal report and informal report.

report
 
An informal report is usually in the form of a person to person communication. It does not follow the rules and procedure directed by an organization.

Informal report can be prepared in one page or if require it can be prepared in several pages too.

Such report is quickly prepared and does not require any extended planning. Informal report follows natural language and style. 
 
The main purpose of informal report is to present certain information. And there is no opportunity to add personal comment or opinion in such report.

Actually informal reports are the shortest as well as simplest of all kinds of reports. These reports are most frequently used to report in business. Informal reports are generally written in memo or letter formats.