Mixing : Automation : Cutting, Copying, and Pasting Automation : Special Paste Function for Automation Data

Special Paste Function for Automation Data
Normally, when you copy and paste automation data, it is pasted in an automation playlist of the exact same type (for example, Left Pan data is pasted into the Left Pan playlist).
However, there may be times when you want to paste from one data type to another (for example, Left Pan data into the Right Pan playlist).
The Special Paste command lets you copy one data type to another.
If you want to paste automation or MIDI controller data only (without its associated audio or MIDI notes), use the Paste Special command.
For this special paste mode to function, the following must be true:
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Every track selected for pasting must be currently displayed as automation data.
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There must be only one automation playlist on the Clipboard for each target track. (The Special Paste command cannot copy multiple automation playlists for each track.)
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You cannot interchange automation data between audio and MIDI tracks, or between continuous controls (such as faders or pans) and switched or stepped controls (such as mute or MIDI controllers).
To paste data into a different automation playlist:
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Press the Start key (Windows) or Control (Mac) when choosing Edit > Paste.