Program Files are files whose content will be stored into the target system at session start. Typically these will be Motorola S, Binary or Elf files. To program FLASH devices which are not memory mapped (SPI, eMMC,...) go to Hardware / Options / Programming.
To configure Program Files select Debug / Configure Session / SoC / Add or Edit button / Program Files page. To open File options dialog select the file and click Edit.
Edit / Remove - Edit / remove Program File(s).
Add build output file - Automatically include the build output file.