Open a Flattened Version of a Layered File

To open a flattened version of a layered PSD file, go to File > Open and find the PSD file that you would like to open and click on it once to select it. Then hold down Shift Alt (Mac: Shift Option) and click “Open“. Photoshop will then ask you if you want to “Read the composite data instead.” Press “OK” and a flattened version of that file will open up.

This is an excellent way to open a large file that usually takes a long time to open. In case you only want to show it to someone or share it in an email or social media.

NOTE:
Always do a “Save As.” Saving the document will override the original file, and you will lose all your layers.

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