The Division of Revenue links for online filing options are available at https://revenue.delaware.gov/file/.  Electronic filing is fast, convenient, accurate and easy.  When completing a form electronically, please download the form prior to completing it to obtain the best results.

Delaware Personal Tax Forms

• Personal Income Tax Forms (current)
• Personal Income Tax Forms (prior years)
• Paper Tax Forms

Delaware Business Tax Forms

• Business Tax Forms (current year)
• Business Tax Forms (prior year)

Software Developers Area

• Information for Software Developers
• Approved Software Developers