Dataflow Diagram (Gane-Sarson/SSADM), Entity-Relationship Diagram
and Entity Life History

Visio shapes stencils and templates
for Microsoft ® Visio ® 2003/2007/2010/2013/2016/2019/Visio for Office 365,
Omnigraffle Pro, SmartDraw, MyDraw, ConceptDraw Pro and Lucidchart Pro

60 shapes in 8 stencils of shapes (metric and US units) that can be used to create Gane-Sarson and SSADM dataflow, Entity-Relationship and Entity Life History diagrams. The templates provide a blank drawing canvas and defines the way connections flow on drawings.
All the symbols have connection points at suitable locations.
The Data Store and Process shapes each have shape data (or custom properties in older Visio versions) accessed from the ribbon Data -> Shape Data (in older Visio: menu Shape -> Custom Properties) to allow you to enter and show an optional ID for each shape. The Data Store and Process symbols also have a version which always prompts for the ID and Process name when the shape is dropped on the page. Dataflows may also be named by double-clicking the shape and entering the appropriate text. Dataflows may also be set to be curved, straight or angled from the dataflow right-click menu.

Watch a video of a diagram being created with these shapes

Example diagrams

dfd example

Download a free trial containing some demonstration sample shapes

1. Zip file for simple Visio installation or for non-Visio use

ZIP file for Visio 2003/2007/2010/2013/2016/2019 and non-Visio use.

A zip file containing sample stencils and templates in VSS, VSX and VSSX format as well as installation instructions. Unzip this file into your My Documents -> My Shapes folder. Use the stencil format that works best in your version of Visio.   Download   updated: 12th June 2020   size: 118kB

2. MSI installer file for Visio

MSI installer for Visio 2003, 2007, 2010, 2013, 2016 and 2019

unblockAfter downloading this software, look in your downloads folder, right-click on the file and select "Properties". At the bottom of the dialog box will be this message as shown to the right. Ensure "Unblock" is selected.

A Windows installer .msi file for Visio 2003, 2007, 2010, 2013, 2016 and 2019 containing sample shapes in Visio stencils and two templates (US and metric) in vss, vsx and vssx format. Use the stencil format that works best in your version of Visio.
Visio_DFD_demo_sampler.msi   Download   updated: 18th June 2020   size: 432kB

MSI file installation instructions

  1. This download is digitally signed for your safety and security.
  2. Please ensure Visio is closed before installing these shapes.
  3. Just run the downloaded installer. Shortcuts to the templates will be added to your desktop, start menu and the Visio start screen. The template and stencils will be found under the category "DFD diagrams".

This software works with:

  • Microsoft Visio 2003, 2007, 2010, 2013, 2016 or 2019 (any version, Standard, Professional or Premium) and Visio for Office 365.
  • ConceptDraw Pro on Mac OSX and Windows.
  • SmartDraw.
  • Lucidchart Pro.
  • MyDraw.
  • Omnigraffle Pro on the Mac and iPad.


The current version is V2.33 dated 12th June 2020.

Recent changes and updates

V2.33Jun 2020 Sign all installation files with new code-signing certificate
V2.32Apr 2020 Changed Gane-Sarson and SSADM Process shape's menus for setting the shape ID and Name
Added Gane-Sarson Process shape's menus for setting ID text to left or middle
V2.31Oct 2019 Create all-in-one installer for all file formats


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You will receive an email containing a download link and registration key. These will take you to a web page where you can download the software.

buy nowUS$15.00Buy Gane Sarson/SSADM DFD for Visio

Site licenses : All commercial and educational/academic site licenses come with free updates for 3 years.

Educational/Academic Site License

buy nowUS$150.00Buy Gane Sarson/SSADM DFD for Visio - Educational/Academic Site Pack

Commercial Site License

buy nowUS$300.00Buy Gane Sarson/SSADM DFD for Visio - Commercial Site Pack

The 4 stencils

Gane Sarson DFD

Gane Sarson DFD



SSADM Entity Relationship

SSADM Entity Relationship

SSADM Entity Life History

SSADM Entity Life History