TAB File Type

- The quick facts

What are TAB files and how to open them

Are you having problems opening a TAB file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a TAB file?

TAB files have multiple uses, and Tab Separated Data is one of them.

Tab Separated Data File

Files that contain the .tab file extension are commonly used for tab-separated data files. These files contain a table of information that stores columns of data that is separated by tabs.

The TAB file format allows the data contained in the file to be imported by almost any spreadsheet application, which will format the information contained in the file into individual data cells in spreadsheet format. As they are plain text files you can also open them with any text editor. These files are also commonly saved with the .tsv file extension.

How to open TAB files

We have identified 3 TAB openers that are compatible with this specific type of TAB file.

Programs that open Tab Separated Data files

Microsoft ExcelMicrosoft ExcelVerified

Last updated: June 29, 2022

All known file formats using extension .TAB

While Tab Separated Data File is a popular type of TAB-file, we know of 6 different uses of the .TAB extension. Different software may use files with the same extension for different types of data.

MapInfo MapBasic Dataset Table

We know that one TAB format is MapInfo MapBasic Dataset Table. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

TAB opener for Windows

We have identified one TAB opener that is compatible with this specific type of TAB file.

More file formats using the TAB extension

Through our research of TAB files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Double Commander Tabs List
  • Klasik Table
  • Telemark Assembler Instruction Definition Table
  • Total Commander Tabs Configuration

Various apps that use files with this extension

These apps are known to open certain types of TAB files. Remember, different programs may use TAB files for different purposes, so you may need to try out a few of them to be able to open your specific file.

TableauTableauUser submitted
ThinkFree OfficeThinkFree OfficeUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
ThinkFree Office CalcThinkFree Office CalcUser submitted
TatukGIS ViewerTatukGIS ViewerUser submitted
FileMaker ProFileMaker ProUser submitted
TimetableTimetableUser submitted
Adobe AcrobatAdobe AcrobatUser submitted
OptimalOptimalUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about TAB file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.