Enter an Excel file. (.xlsx and .xls both work)
Enter the starting quantity cell to be checked. Ex (Q7) The letter can be lower case or upper case.
The program will make a list which shows Shortages (negative numbers), Part Number, and Part Description in a .txt file called output.txt which will automatically open.
After closing the program and restarting it, the last file name and last starting quantity cell will already be filled in because this information is saved in LastQuantity.txt.