It's convenient to export diagrams to an image file in Astah.

To export image files, go to [Tool] - [Export Image] in the main menu.








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[Export Image]

There are tree patterns to export.
1) Export selected view elements.
2) Export a whole diagram if no view elements are selected.
3) Export all diagrams at once.

File formats are as follows:
- PNG, JPEG
- EMF (JUDE/Professional only)

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[Copy to Clipboard]

Also, it's available to copy view elements in diagrams to clipboard and paste them into other applications (e.g. Word).

To copy view elements, go to [Copy to Clipboard] in the popup menu of the selected view elements.

File formats are as follows:
- BMP, PNG
- EMF (JUDE/Professional only)

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These functions will be helpful for you to write your specifications and artifacts.