...
- 32-bit and 64-bit, with a hyphen, not 32bit or 64bit.
- Mac OS® not MacOS
- Open Document Format or ODF, not OpenDocument Format or OpenDocument and especially not OpenDoc
- OpenOffice not Open Office. In formal contexts, and in its first occurrence in a document, it should be referred to as Apache OpenOffice™ OpenOffice® with the raised TM trademark ®trademark symbol which is Unicode U+2122 00AE or HTML ™ HTML ® or ™®