Opening RELS Files

The RELS file type is primarily associated with OpenOffice.

RELS	File extension: RELS
	File type:	relationships

What is a RELS file?

RELS files mostly belong to OpenOffice by Apache. A RELS file contains relationships about parts of an OpenXML, OOXML, and/or Open Packaging Conventions (OPC) documents. Documents (e.g. DOCX files) saved in these formats are compressed into a ZIP container made up of XML and non-XML data. Each item (thumbnail, core properties, settings, theme etc.) in the document is called a part. The RELS file contains XML-encoded text detailing the relationships between parts (also called an OPC packages). The RELS file for each part in a document is saved in the _rels subfolder of a document. Office and OpenOffice programs save RELS files as part of a document.

How to open a RELS file

You need a suitable software like OpenOffice to open a RELS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your RELS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a RELS file directly in the browser:. Just drag the file onto this browser window and drop it.

Online RELS Text Viewer

Choose your .rels file to view

or drag and drop it here

Online File Viewer

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How to extract texts from RELS files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

1. To do this, click the button "Choose your .rels file to view" on this page.
2. After your file is opened in browser,
3. click "Save as..." in the menu.
4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
5. Your file will be converted and downloaded.

RELS file format details:

A file format defines how the data in the file is structured. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. However, different programs can use the same file extension, and file extensions can be assigned incorrectly. When there is a problem with a file, the first step to solving it is to determine the file format. Below you will find our evaluation of the RELS files:

RELS is rarely used as a file extension and is primarily used by a single program. The following file formats are most commonly found in RELS files:

• 75% of all RELS files are Open Office XML Relationships files, which are using the popular XML file format. The Extensible Markup Language (XML) is a simple text-based format for representing structured information: documents, webpages, data, configuration, books, transactions, invoices, and much more. XML defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. The content consists of readable text data, which can be read using a text editor. RELS files are between 260 bytes and 1 KB in size. It is a modern file type. Certain words are almost always found in the files, such as Relationship Id, Type, <Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship and <?xml version="1.0" encoding="UTF-8" standalone="yes"?>. The file name .rels or document.xml.rels is characteristic of these files. These files can be linked to workbook, sheet, fixed and blockdiagram.
• 20% of all RELS files save the data in XML file format. The contents of these files are easily readable with a text editor. The average file size is 440 bytes with most files being between 250 bytes and 930 bytes in size. The following keywords are characteristic: <?xml version="1.0", Relationship Type, encoding="utf-8"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship, Target and http://eyazisma.dpt/iliskiler/. A usual file name is .rels or NihaiOzet.xml.rels.

All other RELS files (5%) have different formats. Files like these are sometimes linked to sequence, fdseq or fpage. If you want to find out which format your RELS file belongs to, just click on the button "Choose your .rels file to view".