What is the PF File Extension?

By:   |   Amended: November 26, 2018

Microsoft Silver

PF File Summary

Two known software programs (notably, Smith Micro StuffIt Deluxe developed by Smith Micro Software) are related to the PF file extension. In addition, they are categorized under two distinct file types, but mainly identified as the Private File format. Generally, these files are considered Compressed Files, but they can also be Data Files.

Windows, Mac, and iOS operating systems can be used to view PF files. Both desktop and mobile devices enable you to view and (sometimes) edit these files, depending on the software used. The main PF file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

If you are having problems opening PF files, or would simply like to learn more about the software programs and developers that are associated with them, please see the complete information contained below.

Low
Popularity
168
Order

/ 11690

Active

Relevance

26

November

2018

Revised

Open PF with FileViewPro

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Varieties of PF Files

  2 known file types use this extension

Principal PF Type

.PF
File ID:.pf
Group:Private File

This is a file that is password protected; encrypted and compressed by Stuffit Deluxe software. It resembles the .SIT file, the only difference is that it needs a password to decompress and decrypt. It's mostly used to archive personal and confidential data.

Developer: Smith Micro Software
File Category:Compressed Files
Subkey: HKEY_CLASSES_ROOT\.pf

Software Programs That Open The Private File:


Smith Micro StuffIt Deluxe by Smith Micro Software

Windows
Mac
iOS
Android

Other PF Descriptions

.PF
File ID:.pf
Group:Windows Prefetcher File

This is a file fabricated by Windows Prefetcher, a Windows Memory Manager component that makes program loading and Windows booting process faster. The file consists of Prefetcher events' trace log.

Developer: Microsoft Corporation
File Category:Data Files

Software Programs That Open Windows Prefetcher File Files:


Microsoft Prefetcher by Microsoft Corporation

Compatible with:

Windows

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PF Requests


OS Ranking

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


Sources of PF Problems


Troubles Opening PF Files

Smith Micro StuffIt Deluxe Disappeared

You encounter an error message such as "%%os%% Can't Open PF Files" when trying to open your PF. Usually, this is because you do not have Smith Micro StuffIt Deluxe for %%os%% installed. This will prevent you from double-clicking to open the PF file because the OS doesn’t know how to handle it.


Tip: When another PF application is installed, you can choose to open it by selecting "Show Apps" and using that program.


Incorrect Smith Micro StuffIt Deluxe Version

It is possible that your version of Smith Micro StuffIt Deluxe isn't able to open your Private File file due to incompatibility. Installing the latest version of Smith Micro StuffIt Deluxe from Smith Micro Software is recommended. The primary cause of this problem is that your Private File file was created by a different (newer) version of Smith Micro StuffIt Deluxe than what's installed.


Tip: Find clues on the correct software version by right-clicking your PF file and clicking "Properties".


Summary: In either case, the majority of problems opening PF files are related to not having the correct software application installed on your computer.


Additional PF Opening Issues

Although you might already have Smith Micro StuffIt Deluxe or another PF-associated software installed on your computer, you can still encounter problems opening Private File files. If you are continuing to have errors with loading PF files, other external issues might be to blame. These issues include:

  • PF file type Registry entries are wrong
  • Accidental deletion of the description of the PF file in the Windows registry
  • Corrupt install of Smith Micro StuffIt Deluxe or other PF-related program
  • PF file corruption
  • Your PF has adversely impacted by malware
  • Device drivers for PF-related hardware are out-of-date
  • Windows has inadequate resources to open your Private File file

Poll: How often do you encounter a file extension that you don't recognize?








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