How can I properly store old photographs to ensure their preservation and longevity?

To properly store old photographs for preservation and longevity, follow these steps:

1. Keep them in a cool, dry place away from direct sunlight and extreme temperatures.
2. Store them in acid-free, archival-quality photo albums or boxes to prevent damage.
3. Handle them with clean hands to avoid transferring oils and dirt.
4. Make digital copies as a backup to protect against loss or damage.
5. Consider using protective sleeves or tissue paper to further safeguard the photos.