When I uncheck "automatic file name extension" this only works for one "save as"-operation; the next time (even for the same file) it is checked again so I have to uncheck it every time and I found no way to turn this off; OpenOffice does remember what I did to this option.
Yep, confirmed
still reproducible under Win7x64 using LibO 4.3.2.2 and 4.4.0.0.alpha1+ Build ID: 8dbe4f2aebff1bd763e4f44c8f9e2a367316da4b TinderBox: Win-x86@39, Branch:master, Time: 2014-10-31_14:27:30