| 4D View Ultrasound Format | |
| General Electric | |
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File with a .4DV filename extension contains ultrasound data, generated with the GE Healthcare Voluson dedicated device. It can be opened with the specialised GE View 4D software or ViewPoint, provided the 4D View add-on is installed.
Image viewing software can be used by physicians to optimize, analyse and process data obtained via ultrasound.
Windows
| .a1wish | Audials Wishlist Format |
| .a3l | Adobe Authorware Library Format |
| .a3m | Adobe Authorware Unpackaged Format |
| .a3w | Adobe Authorware Unpackaged Format |
| .a4l | Adobe Authorware Library Format |
| .a4m | Adobe Authorware Unpackaged Format |
| .a4w | Adobe Authorware Unpackaged Format |
| .a5l | Adobe Authorware Library Format |