BUG-000152794 for ArcGIS Pro

附加信息

The development team determined that this behavior is as designed. Please log any suggestions for improvements on the ArcGIS Ideas site.

Use an .xlsx file.
Open the CSV file in a Microsoft Excel spreadsheet and add an alphabet (For example, 'a') to a new column under the affected field. This forces the field to be read as a text field in ArcGIS Pro.
Force a field type by creating a schema information file (schema.ini). Refer to https://pro.arcgis.com/en/pro-app/latest/help/data/tables/add-an-ascii-or-text-file-table.htm#GUID-B0FEB6D7-1468-4672-8A34-AD3F6CAC4428 for more information.