Sure, XML and JSON files are common examples
Hi Andie
Mendix allows you to import all types of spreadsheets (.xlsx, csv, odt and so on) in addition to XML and JSON. Mendix can also communicate with a REST API.
For more information on how these can be used, please see the below learning path
https://academy.mendix.com/link/paths/44/Importing-and-Exporting-Your-Data