.SPD File Extension

File created by SPSS, an application used for statistical analysis; saves a custom dialog, which is a custom user interface component created by the user; enables statisticians to develop their own input forms for custom statistics functions.

Custom dialogs can be created using the Custom Dialog Builder window, which can be opened by selecting Utilities → Custom Dialogs → Custom Dialog Builder from the application menu. Dialogs can be previewed in this window by choosing File → Preview Dialog....

Before using a custom dialog with SPSS, you must first install it by choosing File → Install in the Custom Dialog Builder. The main SPSS application menu now will contain the new dialog in the location you specified using the Edit → Menu Location option from the Custom Dialog Builder window.

Acrobat document that has been sealed (or locked) using the SealedMedia Sealer; can only be opened by users with sufficient access rights; user authorization rights are stored on a License Server, which also tracks usage of the document.

NOTE: To view an SPD file, first unseal the document using Oracle SealedMedia Unsealer, then open the unsealed file in Adobe Acrobat.

File created by form·Z, a 3D modeling application often used for creating building and site construction models; stores the state of a scene rendering job and is created when the user pauses a rendering job and saves the progress.

SPD files are used for continuing rendering jobs at a later time, which is useful for photorealistic renderings or other renderings that take large amounts of processing time.