The business I used to work for went bankrupt. They never sent me my W-2, and they locked me out of the payroll system. What can I do? and how can i do it? to file my tax

If you have your last pay stubs, you can use Form 4852, Substitute W-2 and 1099R to file your return.

You can file a conventional paper return that includes IRS Form 4852 if all efforts to obtain a W-2 from your employer have failed. Here's how to fill one out:

1. Open your return and search for W-2. Select the Jump to link in the search results to get to the W-2 entry screen.
2. Fill out your W-2 as best you can using the information from your last pay stub.
3. Answer any questions until you get to the Let's check for uncommon situations screen.
4. Check the box next to Didn't get a W-2 and select Continue.
5. On the Let's check if you need a substitute W-2 screen, select Yes then Continue.
6. Answer the follow-up questions. Select Print to download and print your IRS Form 4852.

In order to e-file, you will need your employer's federal ID # and exact name (to match IRS database), but you should be able to get that from last year's W-2 if you worked for them then.

For additional information, please refer to the following link:

How to use Substitute W-2, Form 4852