Apache OpenOffice is the result of 20 years of constant improving on a word processor that has proven its reliability in different work conditions. With this you will be able to open any type of document you need.
What sets it apart from other similar software is the ability to create PDF documents. Additional features are added every year.
And that won’t be a problem for any beginner, as the user interface was designed to keep it all simple and accessible. Migration to this office suite will be done automatically and won’t require any programming skills. There hasn’t been one report of a type of document that this program can’t open.