File Extension IOF

Written by:   |   Last Updated: November 24, 2018

Microsoft Silver

IOF File Summary

Most IOF files can be viewed with Microsoft FindIt from Microsoft Corporation (the only known affiliated software application) and associated with the Microsoft FindIt Document format as it's primary file type. The IOF File Extension are listed predominantly as Uncommon Files.

File Extension IOF files have been identified on both desktop and mobile devices. The main IOF file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

If you would like to learn more about IOF files and the software that opens them, please see the additional detailed information below. Also, you can learn how to do some basic IOF file troubleshooting if you are having trouble opening these files.

Low
File Type Popularity
11165
File Rank

/ 11690

Obsolete

File Status

24

November

2018

Amended

Open IOF Files with FileViewPro

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Known IOF Files


Principal IOF Type

.IOF
File Name:.iof
Classification:Microsoft FindIt Document

Document file was generated by FindIt, an older software application was developed by Microsoft. This format is obsolete and FindIt software is discontinued without any support from Microsoft.

Company: Microsoft Corporation
Group:Uncommon Files
Subkey: HKEY_CLASSES_ROOT\.iof

Software Programs That Open The Microsoft FindIt Document:


Microsoft FindIt by Microsoft Corporation

Windows

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IOF Usage


Device Breakdown

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


Troubleshooting Problems Opening IOF Files


Common Problems Opening IOF Files

Microsoft FindIt is Not Installed

If you attempt to load your IOF file, you experience a message such as "Can't Open IOF Files". Usually, this is because you do not have Microsoft FindIt for %%os%% installed. The typical path of opening your IOF with a double-click won't work because %%os%% cannot make the program connection.


Tip: Another IOF-related program can be selected to open the file by clicking "Show Apps" and finding the application.


Microsoft FindIt is Out-of-Date

In other instances, your Microsoft FindIt Document file version may not be supported by your version of Microsoft FindIt. You will need to download a newer version of Microsoft FindIt if you don't have the right version. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: Sometimes you can get a clue about the version of IOF file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).


Summary: Not having the right Microsoft FindIt version on your computer can cause problems opening IOF files.


Other Causes of IOF File Opening Problems

In the majority of cases, installing the right version of Microsoft FindIt will resolve your issue. If you are continuing to have errors with loading IOF files, other external issues might be to blame. Problems unrelated to software:

  • Windows Registry IOF file paths that are incorrect
  • Deletion of the IOF file description from the Registry by mistake
  • Invalid installation of a IOF-associated program (eg. Microsoft FindIt)
  • Your IOF file is corrupted (issues with your Microsoft FindIt Document file itself)
  • IOF file integrity has been compromised by malware
  • Hardware related to IOFs has device driver corruption
  • Your computer does not have the adequate system resources to open the Microsoft FindIt Document format

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