What is the CKI File Extension?

Researcher:   |   Refreshed: November 26, 2018

Microsoft Silver

CKI File Summary

Our most recent information indicates that CKI files are associated with only a single known file type, the Off By One Browser Persistent HTTP Cookies format, and can be viewed with the Off by One Browser software package (developed by Open Source). These files can be categorized as Temporary Files.

File Extension CKI files have been identified on both desktop and mobile devices. With a Popularity Rating of "Low", these files are not very common to your average computer user.

Although there is a lot more to know about CKI files, those are the most important details of these types of files. If you are having trouble opening these files, or would like more detailed information, please see our comprehensive information below.

Low
File Type Popularity
7691
Rank

/ 11690

Active

Importance

26

November

2018

Edited

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Kinds of CKI Files


Dominant CKI File Type

.CKI
File ID:.cki
Group:Off By One Browser Persistent HTTP Cookies

CKI file is associated with Off by One Browser, a web browser with full HTML 3.2 support. Persistent HTTP cookies are stored across sessions in the file HPSW.CKI, which may be safely deleted between sessions for maximum privacy.

Developer: Open Source
Group:Temporary Files
Entry: HKEY_CLASSES_ROOT\.cki

Software Programs That Open The Off By One Browser Persistent HTTP Cookies:


Off by One Browser by Open Source

Windows

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CKI Demand


Device Breakdown

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


CKI File Complications


Common CKI Opening Problems

Off by One Browser Removed

You attempt to load your CKI file and get an error such as "%%os%% Can't Open The CKI File Extension". If so, it typically means that you don't have Off by One Browser installed for %%os%%. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: If you have another software that you know opens CKI files, you can select it by hitting the "Show Apps" button.


Off by One Browser is Out-of-Date

Your Off By One Browser Persistent HTTP Cookies file is incompatible with Off by One Browser because you might have the wrong version installed. Download the latest Off by One Browser version from the Open Source website to ensure you have the correct one installed. This problem is predominately due to having a Off By One Browser Persistent HTTP Cookies file version that was created by a newer version of Off by One Browser than what you have installed on your PC.


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


Ultimately, most of the difficulties opening CKI files are due to having the wrong version of Off by One Browser installed.


Other Causes of CKI File Opening Problems

Even with the correct version of Off by One Browser installed, you can still experience difficulties opening CKIs. If you are continuing to have errors with loading CKI files, other external issues might be to blame. Problems unrelated to software:

  • Invalid CKI file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • The CKI file description within the Windows Registry was removed
  • Incomplete or bad installation of a software application associated with the CKI format
  • CKI file corruption
  • CKI file integrity has been compromised by malware
  • Device drivers of the hardware associated with your CKI file are corrupt or out-of-date
  • Too many applications are open on your PC to load your Off By One Browser Persistent HTTP Cookies file successfully

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