If you need to file a late return or amend a previously filed 2018 return, you must use software specifically designed for that tax year. Most modern "apps" will not automatically update to 2018; instead, you must download the legacy version.
: Older software may require specific versions of Java or .NET Framework (like 4.8.1) that are not present on newer Windows 11 or macOS versions. wwwxx 2018 tax app upd
: Some regions, such as Germany, permanently moved their standard filing deadlines starting with the 2018 tax year (from May to July). If you need to file a late return
: Most e-file systems for the 2018 tax year are now closed to individual consumers. You will likely need to print your completed forms, sign them, and mail them to the appropriate tax authority. : Some regions, such as Germany, permanently moved
: The IRS introduced a "postcard-sized" Form 1040 for 2018, consolidating several older forms like the 1040-A and 1040-EZ. How to Update or Access 2018 Tax Software
: Users who previously purchased this software can find updates and installers on their personal Download Order page .