.xltm
Excel template with macros
A macro-enabled Excel template. Each workbook made from it inherits the template’s sheets and its VBA code, so automated buttons and routines come along.
Company forms and report starters that need the same macros in every copy.
Opens in Excel for Windows and Mac, LibreOffice Calc (macros may not run)
About XLTM files.ods
OpenDocument spreadsheetOpenDocument Spreadsheet
The spreadsheet format of the OpenDocument standard (ISO/IEC 26300) and the default in LibreOffice Calc. A zipped set of XML files holds sheets, formulas, styles and charts.
Spreadsheets kept in an open, vendor-neutral format, common in LibreOffice and the public sector.
Opens in LibreOffice Calc, Excel, Google Sheets, Collabora Online
About ODS files