Changes in version 1.3.1 (2025-04-03) - excel_rexport.Rd: bug fixed with some linked functions without package reference - access_export.R, excel_export.R, spss_export.R, spss_import.R: class() =="data.frame" replaced by is.data.frame(). - DESCRIPTION: role of each author specified. Changes in version 1.2 - xlsx removed from DEPENDENCIES. Packages readxl and writexl added to IMPORT packages. Changes in version 1.1 (2015-09-19) - some minor changes not released to CRAN yet Changes in version 1.0 (2015-08-10) - First released to CRAN