Hello Vivek!
It is important to note that the programs are not stored in the FZ-S camera. They are stored in your FH controller.
If you need additional resources to save and reopen your programs in the FH Simulator, you can find them at the following website in the manual.
https://automation.omron.com/en/us/products/family/FH
Downloads Tab, Manual, "FH/FZ5 Series Vision System Users Manual", start with "Section 9 Saving/Loading Data"
Tad A. G. Newman
Product Manager - Machine Vision, RFID, and Precision Measurement