Regina Henschel wrote
In the drop-down list of 'value' chose the item "- not empty -".
And in the drop-down list of "Field name" choose "File", not "Operation". I have been using spreadsheets for over 20 years (since Lotus123 for DOS) and I had never noticed this feature :) I always click on Autofilter and ignored the other options. Thank you both for the lesson! -- View this message in context: http://nabble.documentfoundation.org/3-5-1-2-Calc-XP-Keep-unique-rows-tp3926479p3929385.html Sent from the Users mailing list archive at Nabble.com. -- For unsubscribe instructions e-mail to: firstname.lastname@example.org Problems? http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/ Posting guidelines + more: http://wiki.documentfoundation.org/Netiquette List archive: http://listarchives.libreoffice.org/global/users/ All messages sent to this list will be publicly archived and cannot be deleted