Click “Add” or drag and drop your corrupted files into the interface. For documents, you can add PDFs, Word, Excel, or PPT files. For videos, add .MP4, .MOV, etc.
Click the "Add" button to import your damaged files. For severely damaged videos, you can use the "Advanced Repair" feature, which asks you to provide a "sample file" (a working file recorded on the same device) to use as a blueprint for the fix. Tenorshare 4DDiG File Repair 3.1.6.2