Good Afternoon,
This is a followup to the discussion:
I would like to know how to make the table in the odb file as an attachment.
You will have to export the content as table into a Writer or a Calc document. Won’t work direct with a Base table.
Depending upon the database, attach a SQL/dump file. Another possibility is create a Base file, copy the table there & send that.
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Otherwise follow comment of @RobertG
When I paste a cell range into Thunderbird mail I get a HTML table with colors, fonts, borders and everything.