Hola Josep Mª,
keep you data on the wiki ( a dfwiki of course ), if you need if I can provide you with a way to save the content of a wiki page to an html file (that you will be able to import from excel or open office ), and a way to import html data into a wiki page. This way you'll have a two way comunication tool.
Wold this solve your needs?
Ludo
Wiki
Exporting data from a Wiki
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