It is an Excel file in .xlsx format
Calender 2019_2020 v4.xlsx (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet), 222.01 KB, created by Stephen on 2020-01-06 11:24:35 UTC
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Creator: Stephen
Created: 2020-01-06 11:24:35 UTC
Size: 222.01 KB

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Attachments on bug 129831: 156962