Adding Files to a bootable USB

NetRock6 used Ask the Experts™
Hi ...
After creating a bootable USB  using "etcher" utility from ISO files on a USB flash drive, the USB drive becomes the same size as the ISO file and cannot add more files. Moreover, inserting it into Windows OS , the usb key is not recognized anymore. Is there a better utility supporting any kind of bootable ISO files and still be useable to add more files to it.

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LinuxLive USB Creator can do just that. You can set available free MB on the USB.

Top Expert 2016
I use rufus you can then copy files to the usb afterwards
Jason CarsonComputer Technician
Top Expert 2015

In order for Windows to recognize it you have to format the USB stick using a filesystem windows recognizes such as fat or NTFS.

If the USB stick is formatted with ext4 for example windows won't recognize it.
noxchoIT Product Manager
Top Expert 2009

Rufus is my favorite tool for bootable USB stick creation. Check via Windows Disk Management in which file system the drive gets formattef once you create it.
Duncan RoeSoftware Developer

I use unetbootin. I've used it to burn a number of distros, including Knoppix.
You may have a problem if your PC is enforcing secure boot - I turned that off on my system..

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