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When the grouping option is enabled, you can inline edit fields. To see changes, refresh the page.
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Limitations
The Key Item ID and Summary Item name columns cannot be used for grouping.
Grouping is based on visible columns - if the new column view does NOT contain columns that were used for grouping, grouping is cleared.
A task can NOT be in multiple groups at the same time.
When task grouping is active, the WBS structure can't be modified.
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