The purpose of this guide is to expose the reader in an objective way, the changes in the spelling of the Portuguese language Portuguese Language Orthographic Agreement, signed in Lisbon on December 16, 1990, in Portugal, Brazil, Angola, Sao Tome and Principe , Cape Verde, Guinea-Bissau, Mozambique, and later by East Timor. In Brazil, the Agreement was approved by Legislative Decree No. 54 of April 18, 1995.

This guide has been prepared according to the 5th edition of "Spelling Vocabulary of the Portuguese Language" (VolP), published by the Brazilian Academy of Letters in March 2009.

A simple but very convenient way for users of phones and tablets take your questions about the Portuguese Language Orthographic Agreement.