2.1.639 Part 1 Section 19.365, number:truncate-on-overflow

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a.   The standard defines the attribute number:truncate-on-overflow, contained within the element <number:time-style>

This attribute is supported in Word 2013, Word 2016, and Word 2019.

  1. On load, Word reads the <number:time-style> element and converts it to the matching <text:date-style>element.

  2. On save, Word does not write out time fields or time styles.

b.   The standard defines the attribute number:truncate-on-overflow

This attribute is supported in Excel 2013, Excel 2016, and Excel 2019.

If the attribute is true or not present, then the <number:hours>, <number:minutes>, or <number:seconds> child elements of the <number:time-style> element is truncated, which means hours do not exceed 24 and minutes and seconds do not exceed 60.

c.   The standard defines the attribute number:truncate-on-overflow, contained within the element <number:time-style>, contained within the parent element <number:date-style>

This attribute is not supported in PowerPoint 2013, PowerPoint 2016, or PowerPoint 2019.