TI Connect string
File type: Various data file
A .73s file is a string variable file used by TI Connect, Texas Instruments connectivity software for programmable calculators.
File type category:
Various data file
Date updated: October 2, 2026
The .73s file extension is associated with TI Connect, a free Texas Instruments application for Microsoft Windows. The software manages data transfers between a computer and compatible Texas Instruments calculators.
A .73s file stores a string, or text variable, for use on a compatible calculator. It is a calculator data file rather than a general-purpose text document and forms part of the calculator-variable files handled by TI Connect.
Open the .73s file with TI Connect on Microsoft Windows. The file is intended to be transferred to a compatible Texas Instruments calculator rather than opened as a readable document.
Use TI Connect to transfer the string to a compatible Texas Instruments calculator or manage it as calculator data.
Software applications that handle other tasks involving 73s files:
Microsoft Windows