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The number and the term RAR (which can stand for Random Access Response in telecommunications or the .rar file format) appear in several technical and administrative contexts:

Could you clarify the where you encountered this file (e.g., a specific website, email, or technical forum)?

: The Department for Work and Pensions (DWP) recorded a payment of exactly £45,738 in December 2023 to a company called Solutions LTD-2WM for "DIG ON PREMISES HOSTING REFRESH" [21].