And remember that Open Office, including oo Base, is free! and saving million$, but still Getting The Job Done. In a nutshell: When I went from a 2.2.1 installation to version 3.0.0, the upgrade went without hassle. And 3.1.0 to 3.2.0) I didn't uninstall my old Open Office first, but during the install of the new version, old program files, etc... An old shortcut which I would not have expected to work DID... in other words it opened the old app in the new Open Office. (My Oracle (previously known as "Sun") Report Builder was out of date...
There's more about oo Base in the main index to this material. possibly nothing to do with my upgrade of the underlying Open Office. (A quick test with an old database turned up an interesting anomaly.... But it mostly worked.) There ARE a FEW gotchas, though, which may catch some people. First, I backed up any files that I didn't want to lose, if things went wrong.
Apache Open Office is a close cousin of Libre Office and Neo Office.
It contains a word processor (Writer), a spreadsheet (Calc), a presentation application (Impress), a drawing application (Draw), a formula editor (Math), and a database management application (Base).
After downloading, if you have write permissions for the installation directory, you can install the update.