File Extension Library

.RELS File Extension

  • Developer by: Microsoft
  • Category: Page Layout Files
  • Format: XML

What are .RELS files and how to open them?

Can't open .RELS file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .RELS file.

What is a .RELS file extension?

.RELS file extension is created by Microsoft. .RELS has been classified as Page Layout Files. The format of .RELS file is XML.

.RELS is Open Office XML Relationships File

File contained within Microsoft Open Office XML documents; contains XML specifications for how "parts" within a "package" are connected to form a document; saved in a _rels directory of an Open Office XML document.

Relationships within RELS files are declared using the XML syntax <Relationship Id="someID" Type="relationshipType" Target="targetPart"/>, where Id is the unique user-defined string, Type is the type of content, and Target is the target file used for the relationship.

List of all softwares that can open the Open Office XML Relationships File
Microsoft Word 2016
Microsoft Excel 2016
Microsoft PowerPoint 2016
Microsoft Word 2016
Microsoft Excel 2016
Microsoft PowerPoint 2016

How to fix problems with .RELS files

  1. You need to update the application that you normally use to open .RELS files. Only the latest version of the software supports the current .RELS file format
  2. You need to check the .RELS file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)