To start working on an existing OneLab protocol, you have several options:
If the protocol was recently created or edited, it appears in the Quick access list on the Home tab. By simply clicking once on the image of the protocol you would like to work on, the Protocol Designer is opened and the previously designed protocol appears.

Alternatively, you may open a protocol by clicking on it after navigating through the Project tab/Project the protocol you wish to open belongs to.

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