Guided Notes

Comments, Co-authoring & Protection

Comments and notes, co-authoring and version history, inspecting workbooks, and protecting sheets and files.

Comments and notes

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Review ▸ New Comment starts a threaded conversation attached to a cell — others can reply, and you can Resolve the thread when it's done. Type @ and a colleague's name to mention them; they get an email notification.

Notes (Review ▸ Notes) are simple sticky-note annotations with no replies — good for explaining a cell's source or assumption.

A purple corner marks a comment; a red corner marks a note. Show Comments opens a pane listing every conversation in the workbook.

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