RELS File Extension - Open .RELS files

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.RELS File Extension

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File Type

Open Office XML Relationships File

Popularity

Very Common

Category

Page Layout Files

File Description

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.

Program(s) that open rels files

Mac OS

Microsoft Word 2008

Microsoft Excel 2008

Microsoft PowerPoint 2008

Windows

Microsoft Word 2007

Microsoft Excel 2007

Microsoft PowerPoint 2007