CD-RW data cannot be overwritten or partially erased.

22 November 2021

(1) For Windows XP:
Overwriting or partial erasing of data once written on the disk side cannot be supported on the disk. Therefore, if it is displayed as read-only, it cannot be overwritten and all CD-RW discs will be in the same state.
If you want to overwrite and save, you can do it by the following method.
1 Copy the recorded data to the main body of the personal computer and save it by overwriting. After that, the method of additional recording on the CD-RW disc side again. → In that case, if the file name of the previously recorded data is the same, only the added recorded data will be displayed, and the added data will be used for the capacity.
2 Copy the recorded data to the main body of the personal computer and save it by overwriting. After that, all the recorded data on the disk side is erased once, and the overwritten and saved data is rewritten and recorded.
→ Erasing all the data recorded on a CD and writing the data to the CD disc again is called rewriting work, and this writing method is possible for CD-RW discs.

(2) For Windows Vista:
It is possible to select the format before recording, and if the disc is formatted in the live file format, it can be overwritten and saved on the disc.

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