XER File Extension

The XER file extension was created by Oracle and is also known as the Primavera P6 Project File. XER is classified as a Data Files and This File type categories under Zip, Text, Binary and XML, however, the format of this file format has not been determined yet. You can open XER files in Oracle Primavera program.

Primavera P6 Project File Type

Primavera P6 Project File Type
Extension .xer
Developer Oracle
Popularity 5.0 (1395 Votes)
Mime Type application/patch-ops-error+xml
Default Program Oracle Primavera
Category Data Files
Format Binary
Updated 7/1/2025

What is a XER File Type?

Primavera P6 was developed by Oracle after the acquisition of Primavera Systems, the creators of Primavera P3. P3 projects use the .P3 extension and can be imported into P6 by selecting File & Rarr; Import in the menu of l' application.

Free Online XER Tools & Apps

Access powerful and secure free online XER tools to convert, view, edit, merge, split, and compare XER files — all without installing any software. Our tools support the .XER (Primavera P6 Project File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your XER files directly from your device with ease.

XER Files Common Issues

There are few common issues with the Primavera P6 Project File .XER File Extensions while opening the .XER files on Windows and MacOs, we have solution to those issues such as:

Can't Open XER Files?

  1. You must have supported software programs installed for Primavera P6 Project File on your system such as Oracle Primavera.
  2. Associate default Oracle Primavera Oracle Primavera program for *.xer (Primavera P6 Project File) files.

    Associate XER Default Program on Windows
    1. Right-click a *.XER (e.g example.xer) file and click Open With.
    2. In the Open with dialog box, click Oracle Primavera Oracle Primavera program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .xer files.

Related XER File Extensions

XER default file extension is .XER and other similer related extensions are:

All Platform Software Programs for XER File Extension

List of all softwares that can open the XER files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open XER File on Windows

Software License Developer
Oracle Primavera image. Oracle Primavera 000 for Windows Paid Oracle Primavera

MacOs logo image - FileProInfo.comOpen XER File on Mac OS

Software License Developer

Linux logo image - FileProInfo.comOpen XER file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen XER file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen XER file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen XER file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

XER file extension icon image.About XER - Primavera P6 Project File

FileProInfo is to help you understand about the Primavera P6 Project File with *.XER suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for XER. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for XER, please let us know.

Updated 7/1/2025