Open an unusually large PS file with PS software, click File > Script > Browse to find the script file in the menu bar, and select Open.

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2

Select OK after opening, the script will run by itself, and the layer in the file will be opened. Depending on the number of layers in the file and the file size, the time will be different.

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three

After the script runs, this window will appear, indicating that the file has been cleaned.

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four

Save it and see if the file size has become smaller (only valid for some files, and the file size cannot be solved due to too many file contents)

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