Opening a TA5 File

The TA5 file type is primarily associated with TaxACT.

TA5File Extension TA5
File extension: TA5
File type:  Tax Year 2005 Form

What is a TA5 file?

TA5 files mostly belong to TaxACT by 2nd Story Software, Inc. Use our "Online TA5 Text Viewer" below to analyze your TA5 file and to see all text it contains.

How can I open a TA5 file?

You need a suitable software like TaxACT to open a TA5 file. You need a suitable software like TaxACT from 2nd Story Software, Inc. to open a TA5 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your TA5 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a TA5 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online TA5 Text Viewer

Choose your .ta5 file to analyze

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Unable to Open a .TA5 File? Quick Solutions:

TA5 files can come from different programs and aren't universally openable.

  1. Identify the Source: If received from an accountant or an old personal backup, it is likely a Tax Year 2005 Form.
  2. Check the Header: Open the file in a text editor or hex viewer to inspect the first bytes:
    • <?xml suggests a readable structured data file.
    • "PK" indicates a compressed ZIP archive.
    • Unreadable binary characters usually imply a proprietary format.
  3. Use the Original Software: You usually need the original program to open it. For .TA5, this is often TaxACT 2005 by 2nd Story Software, Inc. If unsure, ask the sender.
  4. Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text, and preview when possible.

Technical Data for TA5 File Extension

Related files:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: TaxACT05Return
EXEFile: %ProgramFiles%\2NDSTO~1\TAXACT~1\TaxAct05.exe %1

ProgramID: TaxACT05Return
EXEFile: %ProgramFiles%\2NDSTO~1\TAXACT~2\TaxAct05.exe


a ta5 Tax Year 2005 Form is a special file format by 2nd Story Software, Inc. and should only be edited and saved with the appropriate software.

How to solve problems with TA5 files

  • Associate the TA5 file extension with the correct application.
  • Update your software that should actually open tax year 2005 forms. Because only the current version supports the latest TA5 file format. Search, therefore, e.g. on the 2nd Story Software, Inc. manufacturer website after an available TaxACT update.
  • To make sure that your TA5 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .TA5 file online - secure, fast, and no downloads needed.
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