Get the forms you need to file W-2s for up to 300 employees. 2024 Blank W-2 Forms have Copy B instructions printed on the back; micro perforations spilt into three forms per sheet. 2024 W-2 forms must be mailed or eFiled to the SSA and furnished to your employees by January 31, 2025; IRS eFile regulations require e-Filing for 10 or more returns of certain forms; Use Adams Tax Forms Helper® to eFile to the IRS/SSA. Form Type Details: W-2; Dated: Yes; Fiscal Year: 2024; Forms Per Page: 3.