Hello Chris It was created with Excel hence the guidance note. We have not tried it with open-source/free software solutions so are unable to comment whether it works with these. Sorry Kind regards Nicola On 25 July 2016 at 17:02, Chris Dainton < [log in to unmask]> wrote: > Hello Nicola > > The software release notes on the download page state that the 'file works > with' a specific proprietary spreadsheet tool (Excel 2010 onwards), but > gives no guidance as to whether it is usable in a range of spreadsheet > tools, including open-source/free software solutions. > > It does appear to function fully if uploaded to Google Sheets. > > Chris Dainton > Peak Environmental Solutions > -- ************************************************************************************************************** Nicola Harries CGeol, CSci - Project Director Mobile: 07813 701898 Email: [log in to unmask] CL:AIRE 32 Bloomsbury Street London WC1B 3QJ Website: www.claire.co.uk Office Tel: +44 (0)20 7299 4250 CL:AIRE is a Charitable Company Limited by Guarantee/Registered in England No. 3740059/Entrust Enrolment No. 119820/Registered Charity No. 1075611