File Extension Library

.OIS File Extension

  • Developer by: OriginLab
  • Category: Settings Files
  • Format: XML

What are .OIS files and how to open them?

Can't open .OIS file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .OIS file.

What is a .OIS file extension?

.OIS file extension is created by OriginLab. .OIS has been classified as Settings Files. The format of .OIS file is XML.

.OIS is Origin Analyses Theme File

An OIS file is a theme file created by Origin, a data analysis and graphing application used by various scientists and engineers. It contains settings in XML format that customize the appearance of one or more analyses windows that appear in Origin.

You most likely will never encounter an OIS theme file when using Origin. The file is not meant to be opened by the user. Instead, it stores the settings that are referenced by Origin for analyses.

NOTE: OIS files are typically located in the "AnalysisAndReportTable" folder of the C:\Program Files\OriginLab\Origin\Themes installation.

List of all softwares that can open the Origin Analyses Theme File
OriginLab Origin

How to fix problems with .OIS files

  1. You need to update the application that you normally use to open .OIS files. Only the latest version of the software supports the current .OIS file format
  2. You need to check the .OIS file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)