If you have slides stored in metal carousels, consider re-housing slides into polypropylene photo pages or archival slide boxes:
1. If removing the slides from the metal carousel, be sure to handle by the paper or plastic frame edges, as a single fingerprint can damage the film.
2. Polypropylene "photo pages" are a great option if you would like to view the slides more easily. These typically hold 20 slides per page, and can then be stored in archival boxes or albums.
3. You can also store them in archival slide boxes.
Slide viewer & sorter: https://www.gaylord.com/c/Logan-Slide-Viewer-%26-Sorter/p/LSS40
Polypropylene slide pages: https://www.gaylord.com/Preservation/Photo%2C-Print-%26-Art-Preservation/Albums-%26-Scrapbooks/Pages%2C-Sleeves-%26-Supplies/Print-File%26%23174%3B-5-mil-Polypropylene-35mm-Slide-Pages-%28100-Pack%29/p/PFS20HB