How-Tos

How to Create a Data Flow Diagram

Illustrate data flow in a business's IT system
IT system

Part 1: What is Data Flow Diagram?

Data flow diagrams, often referred to as DFD, are used to illustrate data flow in a business's IT system. Data flows include the storage, input, and output of data. DFD is used to illustrate these.

DFD enables enhanced communication between users and system designers. It lays out the flow of data in a logical manner. Non-technical users are able to better understand it due to its simple layout.

EdrawMax

All-in-One Diagram Software
Create more than 280 types of diagrams effortlessly
Start diagramming with various templates and symbols easily
  • Superior file compatibility: Import and export drawings to various file formats, such as Visio
  • Cross-platform supported (Windows, Mac, Linux, Web)
Security Verified | Switch to Mac >>
Security Verified | Switch to Linux >>
Security Verified | Switch to Windows >>

Part 2: How to Make a Data Flow Diagram Effortlessly?

How to make a data flow diagram easily? Using EdrawMax to create your own data flow diagram.

Step 1: Open EdrawMax desktop software or EdrawMax web-based application.

Step 2: Navigate to [New]>[Flowchart]>[Data Flow Diagram]

Open data flow diagram template

Step 3: Select one data flow diagram template to edit on it or click the [+] sign to start from scratch. Also, you can use massive data flow diagram symbols and elements from libraries in left menu to customize your data flow diagram.

customize a data flow diagram in EdrawMax

Step 4: Once finished your creation, you can export the file in multiple formats, including Graphics, PDF, editable MS Office file, SVG and Visio vsdx file.

Save or export data flow diagram in EdrawMax

Step 5: Besides, you can share your data flow diagram with others via social media and web page. Or publish your data flow diagram in EdrawMax template gallery to show your work with others.

share and publish data flow diagram

Part 3: Data Flow Diagram Examples

Example1: Data Flow Diagram of the Existing System

The visual representation of how the data flow through a system can improve a company’s efficiency. In the attached example, we have worked on a wearable device that gathers a user’s lifestyle and monitor the health. The wearable devices such as Apple Watches or Android Wearable are connected to smartphones via Bluetooth and obtain data as and when requested. The user can even check the statistics of his lifestyle and analysis of how he can do better to improve his health. A user can visually understand the flow of knowledge in an existing system with a data flow diagram.

Data Flow Diagram of the Existing System

Example2: Order Confirmation Dataflow Diagram

An order confirmation is a document that is sent from the supplier to the buyer. An order confirmation receipt proves that the said order has been received and accepted by the buyer. As soon as the order confirmation has been created, the supplier is legally obligated to go ahead and complete the order.

Order Confirmation Dataflow Diagram

EdrawMax

All-in-One Diagram Software
Create more than 280 types of diagrams effortlessly
Start diagramming with various templates and symbols easily
  • Superior file compatibility: Import and export drawings to various file formats, such as Visio
  • Cross-platform supported (Windows, Mac, Linux, Web)
Security Verified | Switch to Mac >>
Security Verified | Switch to Linux >>
Security Verified | Switch to Windows >>

Part 4: Conclusion

According to this article, there are mainly three parts to illustrate what is data flow diagram, to tell you how to create data flow diagrams and to show you some data flow diagram examples. A data flow diagram is always used to illustrate the storage, input, and output of data.

EdrawMax is an easiest all-in-one diagramming tool, you can create data flow diagrams and any other type diagrams with ease! With substantial data flow diagram symbols and cliparts, making data flow diagrams could be as simple as possible. Also, it supports to export your work in multiple formats and share your work with others. Get started to create your data flow diagrams now!

Related Articles