Excel sum time does not work

Describes the cause and action for error messages.


Error Message(English):
sum time does not work

Resolution


関連リンク


Adding or Summing Time in Microsoft Excel - Office Articles
https://www.officearticles.com/excel/adding_or_summing_time_in_microsoft_excel.htm

How to Use an Excel Formula to Sum Time Values
https://www.consultdmw.com/excel-summing-time.html

Excel sum not working for hours - Stack Overflow
https://stackoverflow.com/questions/31647492/excel-sum-not-working-for-hours

Sum time in Excel to show a big number of days
https://stackoverflow.com/questions/30303779/sum-time-in-excel-to-show-a-big-number-of-days

How calculate average time in Excel (if sum of hours more ...
https://stackoverflow.com/questions/10084057/how-calculate-average-time-in-excel-if-sum-of-hours-mor・・・

Excel : Sum number of hours worked per day with date + time ...
https://stackoverflow.com/questions/39800256/excel-sum-number-of-hours-worked-per-day-with-date-time・・・

Excel Pivot Table Filter Sum of Time Range
https://stackoverflow.com/questions/39876118/excel-pivot-table-filter-sum-of-time-range

Add or subtract time - Excel - Office Support - Office 365
https://support.office.com/en-us/article/add-or-subtract-time-16aa6697-6d6e-49c1-8e2c-3398a7cad6ad

Adding Up Times in Excel Results in Zero - The Excel Trainer
https://theexceltrainer.co.uk/adding-up-times-in-excel-results-in-zero/

Sum up hours and minutes in Excel by Chris Menard - YouTube
https://www.youtube.com/watch?v=7sZUwBod-Uw



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