Electronically filing Form W-2, (Wage) and Non-Wage Forms 1099-R, 1099-MISC or 1099 NEC, 1099-NEC, 1099-K and W-2G

Businesses are required to submit W-2s/1099s to Connecticut Department of Revenue by January 31.
Uploading W2s/1099s on myconneCT is the Department’s preferred method for W-2/1099 submission myconneCT is free, secure, and available 24/7.

myconneCT is a safe and secure method of filing your data and provides filers with a unique confirmation number for each successfully submitted submission. myconneCT enables information return filers to use either a “key and send" or "upload" method to electronically file their Forms W-2, 1099-R, 1099-MISC or 1099 NEC, 1099-NEC, 1099-K, W-2G and associated annual reconciliations CT-W3 & CT-1096.

To begin filing your informational returns, login into myconneCT as a Standard login (Single Employer) or a Third Party Bulk Filer (TPBF) and select your filing options. New to myconneCT? Check out our tutorials.

If you don't have a Connecticut Tax Registration Number and need to file Form 1099-MISC or 1099 NEC or 1099-NEC, follow the instructions on this page for Unregistered Taxpayers.

W-2 & 1099 Filing Instructions as a Single Employer:

(Forms W-2, 1099-R, 1099-MISC, 1099 NEC, 1099-NEC, 1099-K, W-2G)

1. Sign into myconneCT and select the “View/File Returns and View Period Detail” hyperlink on the Withholding Summary panel.

Locate the W-2s/CT-W3 Annual Reconciliation of Withholding or 1099s/CT-1096 Annual Summary of Withholding hyperlink and continue your filing. 

2. As a Single employer, choose your submission method: Select the method below that best suits your business, regardless of the number of employees you have. You can save your application after each W-2/1099 and return later. If you choose to upload a file, you can submit as many times as needed to achieve an error free submission. 

• Key and Send (Manual Entry)
• Online Upload Standardized SSA EFW2 Format (including state RS record) and DRS Standardized 1220 FIRE Format.
• Pre-defined Comma Separated Value (csv).

File layouts, examples & solutions for eligible tax types:

W2s/1099s file formats

Important: If you chose the Multi Client upload, you have successfully submitted all your W-2s/1099s, you must return to the Bulk Filer panel and select the “bulk CT-W3 Upload” or “Bulk CT-1096 Upload” hyperlink to complete the filing process.

CT-W3/CT-1096 file formats

Important: If you have a Connecticut Tax Registration Number and need to file Form CT-1096 and the associated 1099-MISC or 1099 NEC forms, you are encouraged to log into myconneCT to file your forms.  By doing so, you will have access to additional features, including save and exit, view previously filed returns and payments, and maintain your account capabilities.

Taxpayers that are not able to log into myconneCT by creating a Username and password and still need to submit Form 1099-MISC or Form 1099 NEC along with the associated Form CT-1096, may do so on-line by going to the “File 1099s” panel on the myconneCT welcome page and selecting either File 1099-MISC/CT-1096 or Form 1099-NEC/CT-1096 hyperlink. 

Choose how you would like to submit your 1099-MISC or 1099 NEC data.

• Key and Send (Manual Entry)

This option is best for employers that do not have the ability to generate IRS 1220 FIRE format file from their accounting package. 

• DRS Standardized IRS 1220 FIRE Format

For employers with an accounting package with payroll modules that can generate this file format.

Refer to the current Informational Publication for 1099s file layouts and formats

• Pre-defined Comma Separated Value (csv)

Submit a file upload using a pre-defined comma separated value (csv) file format.

Third Party Bulk Filers (TPBF) are tax preparers who prepare returns for multiple clients or multiple locations for the same client.  These preparers have registered with DRS and have been assigned the ability to file tax returns on behalf of other taxpayers.

myconneCT enables tax preparers and tax professionals to submit informational returns using either a “Key & Send" (manual entry) or "File Upload" method for Forms W-2, 1099-R, 1099-MISC, 1099 NEC, W-2G or 1099K and associated annual reconciliation(s) CT-W3 & CT-1096.

myconneCT is a safe and secure method of filing your data and provides filers with a unique confirmation number for each successfully submission.

You will need to log into (myconneCT-TPBF) to bulk file returns.

NOTE: Your client(s) must be registered with DRS for wage withholding to file Form(s) W-2, and they must be registered for non-wage withholding to file Form(s) 1099-R and W-2G. However, to file Form 1099-MISC or 1099 NEC there is an option available to submit these forms if a client is not registered by entering the client's FEIN in place of their Connecticut Tax Registration Number.

W-2/1099s Filing Instructions to Bulk Upload:

1. Sign into  myconneCT and select the “More…” tab. Select the “View Bulk Filer Menu” hyperlink from the “Bulk Filing” panel. Then select the “Single Client” upload or “Multi Client” upload hyperlink. New to myconneCT? Check out our tutorials.
2. As a bulk filer, choose your submission method: Select the method below that best suits your business, regardless of the number of employees you have. You can save your application after each W-2/1099 and return later. If you choose to upload a file, you can submit as many times as needed to achieve an error free submission.

Important: If you Choose the Multi Client upload, once you have successfully submitted all your W-2s/1099s, you must return to the Bulk Filer Panel and select the “Bulk CT-W3 Upload” or “Bulk CT-1096 Upload” hyperlink to complete the filing process.

• Key and Send (Manual Entry)

This option is best for employers that do not have the ability to generate the EFW2 or the IRS 1220 FIRE format file from their accounting package.

For employers with an accounting package with payroll modules that can generate this file format.

Refer to the current Informational Publication for current file layouts and formats.

These publications contain filing instructions and specifications on how to prepare W-2s /1099s wage and non-wage data files in accordance with Social Security Administration’s (SSA) and the Internal Revenue Services (IRS). Payroll and tax reporting software developers must follow these file formats when submitting wage data files electronically to DRS.

• Pre-defined Comma Separated Value (csv).

Submit a file upload using a pre-defined comma separated value (csv) file format. Prepare an Excel spreadsheet with your client’s figures:

Each column should represent a line item from the return you are reporting.

Each row should represent a return.

Arrange the columns in the correct order and verify the layout matches the pre-defined Comma Separated Value before uploading the file through myconneCT.

Once the file is uploaded, the file will be reviewed for errors in real time. If the file is accepted, you will receive a confirmation number for your records. If the file fails, you will receive a list of the failed records with an explanation. Simply correct the file and resubmit. There is no limit on the number of upload attempts.

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