1344 Microsoft Excel Macro 3.0 Spreadsheet This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’. 165 Georgia Tech Research Institute / Georgia Tech Research Institute 19 Jul 2013 19 Jul 2013 application/vnd.ms-excel MIME fmt/556 PUID xlm File extension 878 BIFF 3 Macro BIFF3: BOF hex 0902. record length hex 0600, BIFF version=(not used), filetype=macro=4000 1 Absolute from BOF 0 0 09020600{2}4000 Is subtype of 679 Microsoft Excel 3.0 Worksheet (xls)