: The (84) suggests it might be one version in a series of automated backups or a file downloaded from a private source where it was part of a numbered collection.
Files with similar naming patterns (starting with characters like ! or containing strings like XDAB_ ) are often associated with: !XDAB_ (84).rar
Could you share or what you were looking for when you came across it? 0001144204-18-056497.txt - SEC.gov : The (84) suggests it might be one
: Encrypted files sometimes use specific prefixes or suffixes added by malware. 0001144204-18-056497
There is no public information or official record for a file named !XDAB_ (84).rar .
If you found this file on your computer unexpectedly or received it from an unknown source, do not open it . RAR files can contain malware or scripts that execute when extracted. You should scan the file with updated antivirus software or upload it to a service like VirusTotal for analysis.
: In some technical contexts, such as SEC filings , the string XDAB_ appears within long blocks of UUEncoded data.