Add files and folders to an already burned CD / DVD (Create multi session disc)

PowerISO can create multi session disc, which means that you can burn a single disc multiple times. If the disc is not closed, you can append additional files to the disc at later time.

To burn the files and folders to an empty CD or DVD disc, please click here for detailed information. Please remember not to finalize the disc when burning the disc.

To append additional files to an already burned CD, DVD disc, please follow the steps,

Insert the disc into the drive, and run PowerISO.
Select the menu "Tools --> Append data to disc...".

The "Append data to disc" dialog will popup. Select the drive containing the disc which you want to append files to, and click "OK".
The "Import Session" dialog will popup. PowerISO reads the tracks information from the selected media, and list all sessions. Select the session you want to import, and click "Import". Usually, you should import the last session in the media.
PowerISO will import the session selected, and list all files and folders already burned. You can add files and folders to current compilation, or remove files and folders already burned from the compilation.
To add files and folders, click the "Add" button on toolbar. The "Add files and folders" dialog will popup. Select files and folders you want to add, then click "Add" button to add the selected items to current compilation.

For more actions on how to edit current compilation, please click here.

After all files and folders have been added to the current compilation, click "Burn" button on toolbar.

PowerISO will show the burning dialog. The burning drive is just the drive from which you have imported data. The default burning speed is the maximum speed, you can select a slower speed if needed. If you want to added files and folders to the disc again in the future, please do not check the option, "Finalize disc".

Click "More settings..." to review or change other burning settings if necessary.

Click "Burn" to start writing the added files and folders to the disc.

PowerISO will start creating the multi session disc. You can get detailed progress information during burning. At the end of burning, you should get the message "Burning completed successfully" and "Verifying completed successfully" if "Verify written data" option is enabled.
After burning completes, you can view the all sessions in the disc by selecting the menu "View drive / disc information...".