: You will typically find it in filings from the late 1990s and early 2000s, such as those from Royal Standard Minerals Inc.. It represents a bridge between 20th-century text-only limitations and the modern need for complex data attachments.
Are you looking to a specific string starting with B70zip, or are you researching archival methods for SEC filings? 0001027162-03-000007.txt - SEC.gov B70zip
: While it looks like gibberish, B70zip signals to older decoding software that what follows is a compressed .zip file that has been safely "wrapped" in ASCII characters to survive transmission through the SEC's EDGAR (Electronic Data Gathering, Analysis, and Retrieval) system. : You will typically find it in filings