TI-85 data
File type: Various data file
A .85m file is a TI-85 data file used with the Texas Instruments TI-85 programmable graphing calculator.
The file contains data used by the TI-85 and is handled by calculator communication software.
File type category:
Various data file
Date updated: October 9, 2026
The .85m file extension is associated with the TI-85, a programmable graphing calculator developed by Texas Instruments and based on a Zilog Z80 processor.
A .85m file stores data used by the TI-85. It is intended for transferring or managing calculator data rather than for use as a general-purpose document on a computer.
TI Connect for Microsoft Windows and TiLP on multiple platforms can communicate with the calculator and work with its data files. The format is primarily associated with the legacy TI-85 calculator.
Use TI Connect on Microsoft Windows or TiLP on a supported platform to transfer the .85m file to or from a TI-85 calculator. Connect the calculator using compatible calculator-link hardware and open the file through the software's transfer or file-management functions.
The file is calculator data, so it may not display as readable text in a standard desktop application.
There is no general-purpose conversion required for a .85m file. Use TI Connect or TiLP to transfer the data to a TI-85 or save compatible calculator data supported by the software.
Converting the file to a common computer document format is not normally applicable because the file contains data for the TI-85.
Software applications that handle other tasks involving 85m files:
Microsoft Windows
Multiplatform
Language