Versions prior to v0.65 are generally not supported for save migration. :
: Versions older than v0.65 are typically not supported for updates to modern versions. Troubleshooting & Backup Tips Guides and Help - Insect Prison REMAKE community - itch.io insect prison remake save
You only need to manually export or import save files if you are moving your data between different devices (e.g., from PC to Android). Managing Game Updates and Versions Versions prior to v0
Actionable 72-hour triage (first three days) insect prison remake save