Can not restore (large) backup file - need help

Hi,
maybe somebody would help. I’ve got new instalation of HA Supervised on Debian 12 (no proxmox, no KVM - pure Debian).
After reinstallation I’ve copied the tar files to the /usr/share/hassio/backups folder but the HA sees only partial backups, the large files with full backup (12GB) are not visible for the system.
I was trying to reinstall system many times, I was trying to downgrade HA core and supervisor, I was trying to restore using Google drive backup Add-on, I was trying to send the backup during first launch … nothing works as far. Is there any way to repair that? Maybe there where some threads but I haven’t found them?

What to do? Would somebody help me saving over Year of datas, statistics and work on dashboards and flows in Node-Red ??

I had a similar problem at one point and discovered that my big backup files were incomplete.
Try to open up your files in a zip program and see if you have all the folders.
I was missing the the folder that contained HA. I can’t remember what it is called, but maybe homeassistant.