Solution depends to some degree on who is the target audience for your documents.
Can you use Microsoft's Word viewer? It's freely downloadable from Microsoft so should be an easy task to test that approach.
Pitfall: Only available for Windows OS, so it limits the availability for Mac/Linux users.
Recent versions of MS Office can also save as ODF. Does that help? Otherwise, you may need to create your documents using Writer in the first place.
Apache OO 3.4.1/4.1.1, on Ms Windows 7/8 and Mac OS-X.