The figure the source system shows for the same period and filter as an export, noted before exporting. The file's total should equal it; if not, the export is filtered, truncated or double-counted, and that is found before any analysis is.
Revenue for the month on the finance screen against the file's revenue column. It catches the export that missed the last day.
A file with no control total is a claim about the spreadsheet, not the business. The report says unreconciled.
Before exporting, note the figure the source system itself shows for the same period and filters. After loading, the sum of the file must equal it. If not, the file is incomplete or the filters differ.
The finance system shows invoiced sales of $4,231,880 for the period. The export sums to $4,102,415. The difference is one branch whose week had not posted when the file was cut.
Skipped because the file looks complete. A missing week does not look like anything.