TI-85 data
File type: Various data file
A .85r file contains data related to the TI-85 programmable graphing calculator.
The file is used with calculator communication software to transfer TI-85 data between a computer and the calculator.
File type category:
Various data file
Date updated: October 11, 2026
The .85r file format is associated with the TI-85, a programmable graphing calculator developed by Texas Instruments and based on a Zilog Z80 processor.
An .85r file stores data used by the TI-85. It is a calculator data file rather than a general-purpose document format.
TI Connect for Microsoft Windows and the multiplatform TiLP software can be used to work with TI-85 data files. The format is primarily associated with this older calculator and its transfer software.
Use TI Connect on Microsoft Windows or TiLP on a supported platform to transfer the .85r file to or from a TI-85 calculator.
The file may not display as readable content in a regular text editor because it stores calculator data.
TI Connect or TiLP can be used to transfer .85r data to or from a TI-85 calculator.
These files are intended for use with the TI-85 and its compatible communication software rather than for direct conversion to a general-purpose document format.
Software applications that handle other tasks involving 85r files:
Microsoft Windows
Multiplatform
Language