Files that contain the .partial file extension are most commonly associated with files that have been partially downloaded from the Internet. A variety of different download managers use the .partial file suffix when a file download is in progress.
When a file download has been completed, the .partial file extension will be replaced with the file's proper file extension. For example, if an MP3 file is being downloaded with a program that uses the .partial file extension, the file would be downloaded as songname.partial during the download process. Once the file had completed downloading it would be renamed as songname.mp3.
Try a universal file viewer
File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.
If you have additional information about the PARTIAL file format or software that uses files with the PARTIAL suffix, please do get in touch - we would love hearing from you.