How to merge two attribute tables

[NeilGodfrey]

Hi

I have two attribute tables, one (the master file:A) has some additional fields compared to the other table: B), and I want to add the data from the B into A

Can anyone tell me how I do this?

many thanks

[DanPatterson · Accepted solution]

Append (Data Management)—ArcGIS Pro | Documentation

Merge (Data Management)—ArcGIS Pro | Documentation

depending on what you want, but

Map attribute fields—ArcGIS Pro | Documentation

field mapping should be used to provide guidance for common fields.