its a xlsx file with 5 rows
my_report.xlsx (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet), 20.17 KB, created by JohnR on 2021-03-09 09:59:43 UTC
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Creator: JohnR
Created: 2021-03-09 09:59:43 UTC
Size: 20.17 KB

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Attachments on bug 140910: 170364 | 170365 | 170371 | 170373