For CDs especially do not:
1. Scratch the label side of the disc.
2. Use a pen, pencil, or fine-tip marker to write on the disc.
3. Write on the disc with markers that contain solvents.
4. Try to peel off or reposition a label.
General recommendations for long-term storage conditions:
For archiving recordable (R) discs, it is recommended to use discs that have a gold metal reflective layer.
Archival Storage Facility - Recommendation for storing CDs and DVDs together
Media Temperature Relative Humidity (RH)
CD, DVD Less than 20°C (68°F) 20% to 50% RH
Greater than 4°C (39°F)
A temperature of 18°C and 40% RH would be considered suitable for long-term storage. A lower temperature and RH is recommended for extended-term storage.