T18 Converter

Extract text from T18 files

Select File
Drop or upload your .T18 file

Online File Converter

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How to extract text from your T18 file

Click the "Select File" button above, and choose your T18 file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.

Convert T18 to another file type

To convert your T18 file to another format, you need H&R Block or other Data software.

Convert a file to T18

To convert other file formats to the "Tax Return File" file type, you need software like H&R Block or a similar tool.

About T18 files

A .t18 file is a proprietary data file containing a 2018 tax return created by H&R Block tax software (formerly TaxCut). It stores sensitive financial information, including income, deductions, and personal data required for filing taxes with the IRS.

Because these files are encrypted and formatted strictly for the H&R Block 2018 application, they cannot be opened by double-clicking, nor can they be viewed in Microsoft Excel or standard text editors. A common point of friction for users is attempting to open these archived files years later without having the specific 2018 software installed. While users frequently associate these files with Intuit TurboTax (often attempting to import them), they are native to H&R Block.

Best Conversion Targets:

For Archiving/Viewing: Convert to PDF. This requires opening the file in the original H&R Block 2018 software (or a later version's import tool) and using the "Print to PDF" feature.
For Data Transfer: Export to TXF (Tax Exchange Format) if you need to migrate data to other financial software like Quicken.

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.

FAQ

If you want to convert T18 file to CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF, DAT, DB or SQL, you can use H&R Block 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 H&R Block or another comparable tool in the "2018 Tax Return Data" category.

The T18 Converter Story

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.