41815_1m_file2.xlsx -

Modern .xlsx files are actually compressed ZIP archives containing multiple XML files. This format is safer than older versions because it cannot natively store malicious VBA macros.

While the specific proprietary contents depend on the source it was downloaded from, files with this naming convention are frequently used for: 41815_1M_File2.xlsx

The file appears to be a large-scale Microsoft Excel dataset, likely part of a series (indicated by "File2") containing approximately 1 million rows of data (denoted by "1M"). Modern