[Solved] UltraISO settings for best compression

hello people

i hope you are interest in your time

i have aquestion

i used ultra iso to make isz image to my Autocad dvd

the files size is 11.42 gb

when i use ultra iso with high compression it size be 4.9 GB

so i go to website and search and i found there is tools called cdimage from microsoft

so i see some one used it in same files

after used it the files be 2.8 GB

i cant know where is the problem

so i download cd image but icant know how it use because it command line tool

so i hope if there is any one help me to make this

i need it give me an line to compression the file in isz and with best high compression

thanks in advance

greeting

 

what i can i do if the file see this ?

 

thanks to your answer

but i use this gui

there is no isz format

or compression level

greeting

 

thanks bro

you are the best

your answer is true

please accept my thanks

greeting

for other people