FOR ALL
The possibility of 'Excel export' of its collection or its duplicates is done in Excel formats .xlsx .xls or .csv (the latter is a text format whose fields of each article - or column of spreadsheet - are separated by commas).
They can be read and exploited by other spreadsheets such as
Open Office Calc (complete and free software suite multi support multilingue =41)

The request to have more fields exported has already been formulated ...
... in the absence of validations, applications with VBA-Excel macros have been proposed free of charge on the French forum. Unfortunately these macros are not recognized by Ooo
The way is open to translate and / or develop others.