topic could not add the specified data object to the map in Transportation Questions https://community.esri.com/t5/transportation-questions/could-not-add-the-specified-data-object-to-the-map/m-p/453395#M1559 <HTML><HEAD></HEAD><BODY><P>I'm trying to add an excel file to my data layer (using arc catalog and directly from add Data from file) and having the following error message:</P><P>"Could not add the specified data object to the map. An underlying database error occurred. Class not registered."</P></BODY></HTML> Wed, 20 Apr 2016 12:59:13 GMT ShahinShafiq 2016-04-20T12:59:13Z could not add the specified data object to the map https://community.esri.com/t5/transportation-questions/could-not-add-the-specified-data-object-to-the-map/m-p/453395#M1559 <HTML><HEAD></HEAD><BODY><P>I'm trying to add an excel file to my data layer (using arc catalog and directly from add Data from file) and having the following error message:</P><P>"Could not add the specified data object to the map. An underlying database error occurred. Class not registered."</P></BODY></HTML> Wed, 20 Apr 2016 12:59:13 GMT https://community.esri.com/t5/transportation-questions/could-not-add-the-specified-data-object-to-the-map/m-p/453395#M1559 ShahinShafiq 2016-04-20T12:59:13Z Re: could not add the specified data object to the map https://community.esri.com/t5/transportation-questions/could-not-add-the-specified-data-object-to-the-map/m-p/453396#M1560 <HTML><HEAD></HEAD><BODY><P>These links can't be ignored when working with excel since they explain the limitations of using spreadsheets</P><P><A href="http://desktop.arcgis.com/en/arcmap/latest/manage-data/tables/understanding-how-to-use-microsoft-excel-files-in-arcgis.htm" title="http://desktop.arcgis.com/en/arcmap/latest/manage-data/tables/understanding-how-to-use-microsoft-excel-files-in-arcgis.htm">Understanding how to use Microsoft Excel files in ArcGIS—Help | ArcGIS for Desktop</A> </P><P><A href="http://desktop.arcgis.com/en/arcmap/latest/manage-data/tables/formatting-a-table-in-microsoft-excel-for-use-in-arcgis.htm" title="http://desktop.arcgis.com/en/arcmap/latest/manage-data/tables/formatting-a-table-in-microsoft-excel-for-use-in-arcgis.htm">Formatting a table in Microsoft Excel for use in ArcGIS—Help | ArcGIS for Desktop</A> </P><P><A href="http://desktop.arcgis.com/en/arcmap/latest/manage-data/tables/adding-a-microsoft-excel-table-to-arcmap.htm" title="http://desktop.arcgis.com/en/arcmap/latest/manage-data/tables/adding-a-microsoft-excel-table-to-arcmap.htm">Adding a Microsoft Excel table to ArcMap—Help | ArcGIS for Desktop</A> </P><P>So see if anything there applies first</P></BODY></HTML> Wed, 20 Apr 2016 13:02:50 GMT https://community.esri.com/t5/transportation-questions/could-not-add-the-specified-data-object-to-the-map/m-p/453396#M1560 DanPatterson_Retired 2016-04-20T13:02:50Z