Table of Contents

W-2 E-Filing: Delaware

Nina Tchistiakova Updated by Nina Tchistiakova

Due date

January 31

E-filing threshold

Must E-file if 250 or more 

Filing options

Electronic filing

Required file name

Specifications do not specify a file name.

E-filing website

W-2 and 1099:      

Bulk W-3:

Manual W-3 entry:

Electronic filing Test Data web site:

Test submissions of W-3 data are not supported.

Submitting files

Tech support is available for online submission by email to

The Delaware Division of Revenue only accepts W-2c and W-3c forms in paper format. At the present time, these forms cannot be electronically filed.

Delaware Form W-3 must be filed for each EIN under which Delaware withholding was reported on W-2 or 1099 forms. Please do not submit Federal form W-3 to Delaware!

Registration is not currently required for online submission of annual reports of W-2/1099 or bulk W-3 data.  Portal manual entry - Online submission of single W-3 forms requires registration with the Delaware Taxpayer Portal.

Options are available for W-3 submission

paper – Employers and payers can file on paper.

online file upload – Employers, payers, and bulk submitters can upload Excel files through our website.  Bulk submitters are required to submit online.

portal manual entry – Employers can file form W-3 through the Delaware Taxpayer Portal.

Bulk submitters are required to submit form Delaware Form W-3 electronically, for each employer reported. W-3 data can be submitted in Excel files containing one record for each reconciliation form reported. The files can have any name but must have extension .xlsx or .xls. The file must not be compressed or encrypted. Please see the sample file at

If you are unable to comply with any of the requirements stated here, please contact: to request a variance.

W-2 and 1099 test submissions, at Test submissions of W-3 data are not supported.

How did we do?

W-2 E-Filing: Connecticut

W-2 E-Filing: District of Columbia