86P file - How do I open a .86p file?
The table below provides useful information about the .86p file extension. It answers questions such as:
- What is the .86p file?
- What program do I need to open a .86p file?
- How can the .86p file be opened, edited or printed?
- How can I convert .86p files to another format?
Table of Contents
- ✅ TI-86 Calculator Program
- 🔄 .86p file converters
- 🚫 .86p file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ TI-86 Calculator Program

The 86P file is a TI-86 Calculator Program. The TI-86 is a programmable graphing calculator introduced in 1997 and produced by Texas Instruments. The TI-86 uses the Zilog Z80 microprocessor. It is partially backwards-compatible with its predecessor, the TI-85.
Other types of files may also use the .86p file extension.
🚫 The .86p file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .86p file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.86p
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .86p file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .86p file extension, write to us!