I didn't select OpenOffice during Alfresco installation, thus I cannot preview the office documents. Is there any way to re-install openoffice without re-install whole alfresco?
You should be able to install OpenOffice and then check that the global-properties file correctly points tothe OpenOffice executable. This is what is done in the Tomcat installation & you can use LibreOffice or OpenOffice. In Linux server installs (no gui), you can do a headless installation. Cheers, Sasquatch