of the file (e.g., homework, a work project, a data dump)? What action do you need the recipients to take?
That phrase looks like a filename for a split archive, likely part of a specific project, course material, or technical dataset, where "ntprp" could be an acronym, "18" refers to 2018 or a project ID, and "mw" could mean "multi-week," "media," or "mechanical workshop." ntprp-18-mw-part1-rar
Without knowing the exact content, here are a few options for a solid post based on what this file usually represents: Option 1: Academic or Technical Project Submission (Formal) of the file (e