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Software Development Lifecycle (SDLC) Plan

This SDLC plan, summarized in OnePager Pro, has been created from a Microsoft Project schedule. It gives executives an overall understanding of a software development project, including the major phases of the SDLC, timing, and delivery cost.

Project plan for waterfall software development.


Download SDLC Plan as PDF      Download SDLC Plan as Image


Software Development Waterfall Project Plan Features

The project plan uses:

  • Grouping of each deliverable into swimlanes based on overall project phase.
  • Dynamic project legend that color codes every deliverable by the responsible resource or team.
  • Visual representation of the project's progress, using percent complete.
  • Vertical curtains to block off parts of the project schedule impacted by code freezes.
  • Status of each task, displayed in a symbol column on the right-hand side of the chart.
  • Display of quarterly project budget totals along the time axis at the top, using OnePager's optional data cells feature.

This software development waterfall schedule was created using OnePager, Gantt Chart and timeline software that imports from Microsoft Project, Smartsheet, or Excel.

To learn more about OnePager, and see how you can use it to summarize your software development projects, get started today by downloading a free trial.

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Sample Files

This SDLC timeline was built using the following files, which you can download if you'd like to create something similar:

Smartsheet Samples

Software Development Lifecycle (Smartsheet).xlsx (Excel for import into Smartsheet)

Software Development Lifecycle (Smartsheet).tat (OnePager Template for Smartsheet)


Smartsheet Instructions

To build an SDLC plan like the example above, follow these instructions:

  1. Download the sample files above. The Excel file contains all of the different phases of the software development lifecycle, and will be imported into your Smartsheet account, while the OnePager template will help define the layout of the timeline itself. Save both files to your desktop.

  2. To import the Excel file into Smartsheet, first log into your Smartsheet account.

  3. In Smartsheet, click on + Start a New Project, and then from the Import tile, choose Microsoft Excel:

    Import from Excel into Smartsheet

  4. Point Smartsheet to the Excel file that you downloaded above and press Continue. On the Import Settings, review the name of your sheet, and then click Import::

    Finish importing from Excel into Smartsheet

  5. Now that the sample project has been imported into your Smartsheet account, go to your desktop, and click the OnePager button.

  6. On the OnePager start screen, click NEW to build a new timeline.

  7. Go to Select > BROWSE Smartsheet, log into your Smartsheet account, and then point OnePager to the example project.

  8. We need to change OnePager's default template to the one downloaded above. To do this, click on Change, and then BROWSE FILES to the OnePager template (*.tat) file. This OnePager template contains all of the data-driven formatting (styles, layout, etc.) that make the timeline look the way that it does.

  9. Once the custom OnePager template is selected, click on Create New Chart to build your timeline. It should look like the example at the top of this article.

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Microsoft Project Samples

Software Development Lifecycle.mpp (Microsoft Project Plan)

Software Development Lifecycle (Project).tat (OnePager Template for Project)


Microsoft Project Instructions

To build a Software Development Lifecycle like the example above, follow these instructions:

  1. Download the sample files above. The Microsoft Project file contains all of the different phases of the SDLC, while the OnePager template will help define the layout of the timeline itself. Save both files to your desktop.

  2. Open the Microsoft Project file

  3. Now that the sample project has been imported into Microsoft Project, go to your Add-Ins tab, and click the OnePager button.

  4. On the OnePager start screen, click NEW to build a new timeline.

  5. We need to change OnePager's default template to the one downloaded above. To do this, click on Change, and then BROWSE FILES to the OnePager template (*.tat) file. This OnePager template contains all of the data-driven formatting (styles, layout, etc.) that make the timeline look the way that it does.

  6. Once the custom OnePager template is selected, click on Create New Chart to build your timeline. It should look like the example at the top of this article.

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Excel Samples

Software Development Lifecycle.xlsx (Excel Plan)

Software Development Lifecycle (Excel).tat (OnePager Template for Excel)


Excel Instructions

To build a Software Development Lifecycle like the example above, follow these instructions:

  1. Download the sample files listed above. The Excel files contains the different phases of the software development lifecycle (SDLC), while the matching OnePager template file has most of the settings that drive the look and feel of the timeline based on the data from or Excel. Save both files to your desktop.

  2. Open the Excel plan.

  3. Once the project plan is open, go to Add-Ins and click the OnePager button.

  4. When the start screen appears, click NEW to build a new chart.

  5. Change OnePager's default template to the one downloaded above, making sure that you pick the template that matches the Excel plan that you downloaded. To do this, click on Change, and then BROWSE FILES to the OnePager template (*.tat) file. This OnePager template contains most of the data-driven formatting (colors, layout, etc.) that give this Software Development Lifecycle its specific look.

  6. With the template loaded, click on Create New Chart. It should closely match the example at the top of this article.

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