Specifies the source for creating the preview image of the model that displays in the Open dialog box, preview pane. Use a view extracted from the file, or specify an external bitmap file.
Access
In an open Autodesk Inventor file, click 
iProperties, and then click the Save tab.
Or, in an open Autodesk Inventor file, click Save As Save Copy As, and then click Options to open the File Save Options dialog box.
- Save Preview Picture
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Saves a thumbnail image of the model that appears on the File Open dialog box. The default is On; clear the check box to turn Off. When selected, other options are available.
- Active Component Iso View on Save
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Zooms out and captures an isometric view of the component on save.
- Active Window on Save
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Sets thumbnail image to the view in the graphics window on save.
- Active Window
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Click Capture to set thumbnail image to the view in the active graphics window.
- Import From File
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Imports thumbnail BMP image from a file. Click Import to browse to the file containing the image. Image must be 180 x 180 pixels.