| extension name | file type | Classification |
|---|---|---|
| U3P | U3 Smart Application | executable file |
| UDF | Excel User Defined Function | executable file |
| UPX | Ultimate Packer for eXecutables File | executable file |
| extension name | file type | Classification |
|---|---|---|
| U3P | U3 Smart Application | executable file |
| UDF | Excel User Defined Function | executable file |
| UPX | Ultimate Packer for eXecutables File | executable file |