PER File Description

Reporter:   |   Amended: December 05, 2018

Microsoft Silver

PER File Summary

Seven known software programs (notably, Microsoft Notepad developed by Microsoft Corporation) are related to the PER file extension. In addition, they are categorized under two distinct file types, but mainly identified as the Age Of Empires Personality File format. The majority of PER files are considered Game Files, but they can also be Developer Files.

PER files are found on both mobile and desktop platforms and can be opened using Windows, Mac, and Linux operating systems. The main PER 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 PER files and the software that opens them, please see the additional detailed information below. Also, you can learn how to do some basic PER file troubleshooting if you are having trouble opening these files.

Low
File Type Popularity
5941
Standing

/ 11690

Active

Importance

5

December

2018

Page Last Updated

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Sorts of PER Files

  2 known file types use this extension

Main PER Affiliation

.PER
Formatting:.per
Type:Age Of Empires Personality File

Game file saved in text format used by Age of Empire, a real-time strategy developed by Ensemble Studios and published by Microsoft. PER file is an Artificial Intelligence (AI) file that contains settings for how the computer player makes decisions.

Author: Microsoft Corporation
Kind:Game Files
Key: HKEY_CLASSES_ROOT\.per

Software Programs That Open The Age Of Empires Personality File:


Microsoft Notepad by Microsoft Corporation

Windows
Mac
Linux

Notepad++ by Don Ho

Windows
Mac
Linux

MacroMates TextMate by MacroMates

Mac

Apple TextEdit by Apple

Mac

Notepad2 by Open Source

Windows

Microsoft Age of Empires by Ensemble Studios

Windows
Windows Phone
Mac
iOS
Android
PlayStation 2
Nintendo DS
N-Gage
OS X El Capitan

Other PER File Associations

.PER
Formatting:.per
Type:PEX Report File

Report file generated by PEX, a Visual Studio add-in for testing .NET Framework applications.

Author: Microsoft Corporation
Kind:Developer Files

Software Programs That Open PEX Report File Files:


Microsoft Visual Studio by Microsoft Corporation

Compatible with:

Windows

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PER Demand


Leading Operating Systems

Windows (97.14%)
Macintosh (2.06%)
Linux (0.73%)
Chrome (0.05%)
Other (0.01%)

Top Mobile Device Brands

Samsung (28.86%)
Apple (21.83%)
Huawei (9.25%)
Xiaomi (6.74%)
LG (3.11%)


Troubleshoot PER Files


Common PER Opening Problems

Missing Microsoft Notepad

You encounter an error message such as "%%os%% Can't Open PER Files" when trying to open your PER. If this is the case, it's usually due to the fact that you do not have Microsoft Notepad for %%os%% installed on your computer. The typical path of opening your PER with a double-click won't work because %%os%% cannot make the program connection.


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


Microsoft Notepad is Out-of-Date

Your Age Of Empires Personality File file is incompatible with Microsoft Notepad because you might have the wrong version installed. Installing the latest version of Microsoft Notepad from Microsoft Corporation is recommended. The primary cause of this problem is that your Age Of Empires Personality File file was created by a different (newer) version of Microsoft Notepad than what's installed.


Tip: If you right-click on your PER file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.


Primarily, problems experienced when opening PER files are due to having the incorrect version of Microsoft Notepad installed on your computer.


Additional PER Opening Issues

Although you might already have Microsoft Notepad or another PER-associated software installed on your computer, you can still encounter problems opening Age Of Empires Personality File files. Other PER opening errors can be created by other system problems inside of %%os%%. Additional factors include:

  • Invalid PER file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Mistaken removal of the Windows registry PER description
  • Microsoft Notepad or another PER application experienced a flawed installation
  • The PER itself is corrupted
  • Malware-tainted PER file can't be opened
  • PER-related hardware has device drivers that obsolete
  • Your computer does not have the adequate system resources to open the Age Of Empires Personality File format

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