Instead of managing 50 individual spreadsheets for "Monthly Expenses," "Payroll," and "Tax Returns," a user can "index" them into one archive for easier portablility.
: A compressed archive format used to bundle multiple files into one smaller package. Common Contexts
To understand "Index.of.finances.xls.rar," we have to look at its individual parts:
: Services like OneDrive or Dropbox to keep financial files encrypted rather than in open web directories.