When dragging data from another estimate at WBS level, what is effectively imported?

You can drag a node in the structural view onto a node in another estimate. The source can be added on the same level or below (alternative: Shift + F11 and (Ctrl) + Shift + F12).

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Copying / Pasting data from / to the minutes view

You can copy/paste a row or a section of Minutes.

How to Fill in the Minutes

Using the glossary to carry out copy/paste operations across estimates

Glossaries