LibreOffice doesn't open .abw files. Please improve LibreOffice so at least could read Abiword (.abw) documents.
Currently, LibreOffice does not support ABW files which are the native file format of AbiWord. To improve interoperability, support for ABW files (XML-based file format) could be added to LO. Please view the attachment (ABW file) in Notepad++ to see the syntax.
Created attachment 91077 [details] ABW file
Implemented in master: http://cgit.freedesktop.org/libreoffice/core/commit/?id=10eaaac020e32f0bbb3869cecee94df0955b6a3b
Landed in 4.2.0 with http://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-4-2-0&id=6c5709cc3cb54d8f3b2c6428fb8528c2f1799de1 For more details see: http://fridrich.blogspot.co.il/2014/01/abiword-import-filter-in-libreoffice.html
Tested and test file opens. It's empty though, but maybe it is an empty file?
(In reply to comment #5) > Tested and test file opens. It's empty though, but maybe it is an empty file? It's not. See the attached screenshot.
Created attachment 92392 [details] Abiword document in AbiWord
Opens fine here with the latest master (although the chart is smaller than in AbiWord). For those who check with 4.2, keep in mind that it's not included in the released version. You should try the latest daily builds, or wait for the next RC.