As far as I (not the OP) am concerned, it's mostly not that I need some advanced feature of Office, it's that a document I get from someone else uses some advan

As far as I (not the OP) am concerned, it's mostly not that I need some advanced feature of Office, it's that a document I get from someone else uses some advanced (layout) features or some fonts which aren't available on Linux, and then the document appears completely garbled.