Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .tt18

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .tt18 file?
  • Which program can create the .tt18 file?
  • Where can you find a description of the .tt18 format?
  • What can convert .tt18 files to a different format?
  • Which MIME-type is associated with the .tt18 extension?
Intuit TurboTax Canada 2018 Tax Return Data .tt18 file icon

Intuit TurboTax Canada 2018 Tax Return Data

TT18 file is an Intuit TurboTax Canada 2018 Tax Return Data. TurboTax Canada is a tax software program used for preparing and filing Canadian tax returns.
Detailed description not available
Category: Data files
Application: Intuit TurboTax Canada
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Intuit TurboTax Data
Intuit TurboTax Information Archive
TurboTax Tax Exchange Format
Intuit TurboTax Install Log File
Intuit TurboTax Tax Line Description
Intuit TurboTax Tax Line Items
Intuit TurboTax Canada 2014 Tax Return Data
Intuit TurboTax Canada 2013 Tax Return Data
Intuit TurboTax 2008 Tax Return Data

Other types of files may also use the .tt18 file extension. If you have helpful information about .tt18 extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

H&R Block 2018 Tax Return Data

The .tt18 filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

t18 (1)

Can't open a .tt18 file?

If you want to open a .tt18 file on your computer, you just need to have the appropriate program installed. If the .tt18 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.tt18

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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