Extract text from 2018 tax returns (T18)
To convert T18 tax returns to another format, you need TurboTax 2018 or other Data software.
To convert other file formats to the "Tax Return File" file type, you need software like TurboTax 2018 or a similar tool.
The .T18 file format contains a 2018 US tax return. It stores user financial data, filled tax forms, and personal information specifically for the 2018 tax year.
These files are primarily generated by TurboTax (developed by Intuit), TaxAct, and H&R Block. Each tax program uses a slightly different, proprietary encoding for their version of a .T18 file.
The .T18 format is strictly locked to the 2018 tax year. You cannot open it with a modern tax program, a web browser, or standard text editors. It is a closed, proprietary format designed to protect highly sensitive financial data. Because the data structure is intentionally undocumented, standard online converters fail to process it. Relying on an old .T18 file requires maintaining a working installation of out-of-date 2018 tax software on a compatible operating system.
Users typically need to convert .T18 to PDF for long-term archiving, printing, or sharing with accountants. Converting to PDF flattens the data securely, though it removes the ability to dynamically edit the tax return fields.
This file format is exceptionally difficult to open or convert because the data is proprietary and often encrypted. Often, only the original software can properly read or export the data. convert.guru can still identify the file format, inspect the file, and show text or internal content. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible. Just drag and drop your file to identify the format, view it, and convert it when possible.
Convert.Guru analyzes your T18 file, detects the exact format, and lets you read the text inside.
Users also converted T19, TA9 and TA2 files.
If you want to convert T18 file to CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF, DAT, DB or SQL, you can use TurboTax 2018 or similar software from the "2018 Tax Return Data" category. In the File menu, look for Save As… or Export….
To convert DBF, XML, SQLITE, XLSX, SQL, TSV, ACCDB, YAML, MDB, CSV, ODS or JSON files to T18, try TurboTax 2018 or another comparable tool in the "2018 Tax Return Data" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our T18 converter.