PCT extension

New Here ,
Apr 26, 2021 Apr 26, 2021

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Hello community, I have a problem with the file extensions *.pct. Allegedly, the files can be opened and edited with Photoshop, but that does not work. The *.pct file also includes *.pct_base *.pct_header.
How can I edit the *.pct file and generate the base and header files from it?
Illustrator and After Effects do not work.

 

I use Windows as the operating system

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Problem or error, Windows

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Most Valuable Participant ,
Apr 26, 2021 Apr 26, 2021

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Do you have some Photoshop Plug_in installed for .pct file type support?  https://helpx.adobe.com/photoshop/using/supported-file-formats-photoshop-cs6.html 

JJMack

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New Here ,
Apr 26, 2021 Apr 26, 2021

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All plugins are installed. When I open the file with Photoshop, "This file is not a valid PICT file. QuickDraw may crash when I try to open it."

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Most Valuable Participant ,
Apr 26, 2021 Apr 26, 2021

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Can you upload the file and post a link to it. It may be crupted file. As far As I can tell Photoshop should  be able to read the file, create a backgroubd layer from the file. Photoshop does not support the PCT file formats so Photoshop can not save a PCT file.

image.png

Capture.jpg

JJMack

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Adobe Community Professional ,
Apr 26, 2021 Apr 26, 2021

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Windows doesn't support all flavors of pct (.pict) files, which was the default Macintosh graphics format of Mac OS before OS X.

Subsequent versions of Mac OS X/macOS gradually phased out the pct file format as did adobe support in photoshop even on the mac side with photoshop cs6 the last version really to support most pct files including pct resource files.

 

 

That being said did you try File>Open As>PICT File

 

Screenshot-(20).png

 

 

 

If that doesn't work can you post one of the files .

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New Here ,
Apr 27, 2021 Apr 27, 2021

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When I select "open as", it says "The operation could not be performed because this is not a valid Photoshop document".
I also don't know how the pct file relates to the _base and _header files.
The files cannot be attached here.
Here is the link to the files: https://mega.nz/folder/UhplUCQB#iFRBrHoqVSCbmS8gxcQ-Ww

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Most Valuable Participant ,
Apr 27, 2021 Apr 27, 2021

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Is the message correct or is the file valid.  I ask you to post a link to the file so we can see if the file is good or corrupt.  Do any PCT file open on your machine. If thet do you can nor update them for  Photoshop doe not support that.  You can use the image content in other types of image file like PSD, Jpeg. PNG file types Photoshop has support for.

JJMack

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Adobe Community Professional ,
Apr 27, 2021 Apr 27, 2021

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Do you have any idea on what operating system and or software created the files?

 

I tried several old mac operating systems from OS X 10.4 to Mac OS 7.6.1 and didn't have any success opening the files.

 

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Most Valuable Participant ,
Apr 27, 2021 Apr 27, 2021

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They stated they are using Windows so am I. I down some sample .pct files and had not problem opening them.   Photoshop can not save  .pct file it seem to be able to open them as a background layer like a jpeg file.

image.png

 

JJMack

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