In an app I've tried following:
- made a copy of a open office document
- changed extension of the copy to "zip"
- unpacked the zip-file
- modified the content.xml file contained in the unpacked zip-file
- packed back to zip-file
- changed extension back to "odt"
- tried to open with open office - file corrupt!!!
Tried manually the same and just unpacked followed by a direct pack
File corrupt again.
Something seems to happen when packing and unpacking
Is there someone that happens to know if one can do something
to fix this