Thank you for the excelent community support.
I want to know if is possible to update just 1 field for a contact already created in x2crm.
For example, i have 1 contact with name, lastname, email and 2 dates fields. The dates fields changes every year and different departments are responables for the updates and they do it in excel.
The department 1 could upload the csv with the "datefield1" on may and the department 2 could upload the csv with the "datefield2" on june, but in this case the deparment 2 will upload the old dates for the datefield1 cause they were working on 2 differents copies of excel, then i only want they can update "datefield2" and leave everything else with no changes.
How can i do that?