Files that contain the .ex_ file extension are compressed executable files. When these files are not compressed, they are saved with the .exe file extension.
The EXE or EX executable files are commonly created by installation archive programs. EXE files are often used to install software onto a user's computer. Sometimes the EXE files are compressed for easier downloading, making the file download smaller. When the EXE file is compressed, the file is given the .ex file extension rather than the standard .exe file extension.
Once the EX_ file has been uncompressed, the file is re-saved with its original .exe file extension.
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