Searching and searching but I'm unable to find anyone with a proper solution. I see a lot of similar questions on this topic, but nothing that really provides what I'm looking for. Basically, I just want to convert a 8 byte hex value to unsigned integer. I.e. "FFFFFFFFFFFFFFFF". I'm working on SNMP opaque data types, and UINT64 values end up as signed INT64 when I use the internal processing of AutoIt. (Yeah, I know, this is because AutoIt always uses signed)   Example ( I know yo