How can I copy part of a sequence from a file and preserve the history? August 12, 2026 21:18 Updated Open a SnapGene file, select the sequence region, and choose “New File from Selection” from the File menu. Related articles Create a Primer Copy a DNA or RNA Sequence to the Clipboard Extract a Region in a Sequence to a New File Edit DNA Ends Can I use or share SnapGene files on a network or Cloud drive?