Files with .hdt extension are associated with Adobe Photoshop. An .hdt file contains HDR toning preset settings. There are other file types also using .HDT extension. Software that opens .hdt files include Adobe Photoshop. To open an .hdt file ensure it is not corrupted. If obtained from a third party, ask for another copy. During copying, errors can occur making the file incomplete. Search over 25,000 filename extensions to learn about .HDT files. We describe .HDT file format and common uses. We also list programs known to open these files from user suggestions. You can find what programs can edit, convert or print .HDT files. We try to assist handling these files. Many share .hdt files without instructions. This makes it difficult to determine compatibility. We offer guidance on using .hdt files to address this.
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