https://community.esri.com/t5/arcgis-online-questions/inserting-new-data-to-attribute-table/m-p/1021845#M38256 <P>Hi Dan,</P><P>I did used the merge tool. It combined both layers in the map. But when I did so, I lost one of my layer's attributes. Why did this happen?</P> Sat, 30 Jan 2021 05:13:19 GMT Erfan785 2021-01-30T05:13:19Z https://community.esri.com/t5/arcgis-online-questions/inserting-new-data-to-attribute-table/m-p/1019447#M38143 <P>Hi everyone,</P><P>I want to add new data from an excel file to an existing attribute table in ArcMap. I don't want to add another field to my table. I just want to add new rows with new data.&nbsp;</P><P>How can I do this?</P><P>Thanks.</P> Sun, 24 Jan 2021 07:55:48 GMT https://community.esri.com/t5/arcgis-online-questions/inserting-new-data-to-attribute-table/m-p/1019447#M38143 Erfan785 2021-01-24T07:55:48Z https://community.esri.com/t5/arcgis-online-questions/inserting-new-data-to-attribute-table/m-p/1019453#M38144 <P>Append ... is the term you are looking for.</P><P>In Pro, it would be&nbsp;<A href="https://pro.arcgis.com/en/pro-app/latest/tool-reference/data-management/append.htm" target="_blank">Append (Data Management)—ArcGIS Pro | Documentation</A></P> Sun, 24 Jan 2021 11:49:49 GMT https://community.esri.com/t5/arcgis-online-questions/inserting-new-data-to-attribute-table/m-p/1019453#M38144 DanPatterson 2021-01-24T11:49:49Z https://community.esri.com/t5/arcgis-online-questions/inserting-new-data-to-attribute-table/m-p/1021845#M38256 <P>Hi Dan,</P><P>I did used the merge tool. It combined both layers in the map. But when I did so, I lost one of my layer's attributes. Why did this happen?</P> Sat, 30 Jan 2021 05:13:19 GMT https://community.esri.com/t5/arcgis-online-questions/inserting-new-data-to-attribute-table/m-p/1021845#M38256 Erfan785 2021-01-30T05:13:19Z