Which Microsoft Office document formats are considered 100% compatible with LibreOffice 4.0?

Which Microsoft Office document formats are considered 100% compatible with LibreOffice 4.0 for reading and writing?

Hi @RichardAyotte,

Although we work hard on compatibility, 100% compatibility with MS-Office is a goal, not necessarily an attainable position.

Please take a look at the following Questions:

Note that newer versions of both LibreOffice and MS-Office will usually have better compatibility than older versions of these suites. For example, the latest versions of MS-Office now have support for the ODF 1.2 file formats: