Files with re3 file extension are related to the HNDR-S4824 backup data format.
RE3 file extension - HNDR-S4824 backup data
What is re3 file? How to open re3 files?
File type specification:
The re3 file extension is associated with the HNDR-S4824 camera monitoring system.
The re3 file stores backup of data from HNDR-S4824 camer monitoring devices.
Seems to be obsolete product without support from developer.
This re3 file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.