Download open office using link

http://www.openoffice.org/download/


After your download completes, Open Terminal and Execute the following…

# tar xzf OOo_3.3.0_Linux_x86_install-rpm-wJRE_en-US.tar.gz

Now Change your directory into OOo_3.3.0_Linux_x86_install-rpm-wJRE_en-US (the folder which you extracted)
On Same Directory You will find Folder call RPMs, now move to that folder using follwoing command.

#cd RPMs

here We go,need to Install All RPMS to Install OpenOffice 3.2. Execute Following Command

# rpm -ivh *.rpm

If everything goes fine, it means OpenOffice gets installed. But By performing above steps OpenOffice got installed, but you’ll not able to see OpenOffice Selection in Applications Menu. For this we have to Perform another few Steps.

In RPMs directory there is one more directory called “desktop-integrates“. Now Lets Switch to that Directory and install Red Hat Related Desktop Integration RPM.

# rpm -ivh openoffice-desktop-redhat-xxx.rpm

Once Desktop Integration RPM get installed You’ll able to See Open Office Selection in Application Menu.