Many private .rar files from this era are password-protected; if you do not have the password, the contents will remain inaccessible.
The string "A-B-C-D" suggests a multi-part structure or a set of four distinct versions/categories, while the date "13 October 2022" indicates when the archive was finalized or when the data within it was collected. AB_A-B-C-D-13.October.2022.rar
Use an updated security tool or a service like VirusTotal to scan the file before attempting to uncompress it. Many private