Adobe Photoshop files have the *.psd;*.pdd;*.psdt files extension.
Configuring Adobe Photoshop file types You can configure Adobe Photoshop settings to customize processing for this file type during translation or review.
Previewing Adobe Photoshop files Trados Studio can generate a preview for each opened Adobe Photoshop file. In the preview, you can see the source preview, side-by-side preview and target preview: