How do I install a custom .csl citation style in Zotero?

The reference manager Zotero offers a variety of citation styles, but sometimes you need a special style that you have to install manually. This may be the case if you receive a customised citation style from a publisher or bought a style in my shop . In the following guide you can find out how to install a .csl file in Zotero and apply it to your document.

Step-by-step instructions for installing a .csl citation style in Zotero

Option 1: Install by double-clicking

The simplest method is to open the .csl file directly:

  1. Download the .csl file to your computer.
  2. Open Zotero
  3. Double-click on the file
  4. Zotero should start automatically and install the style.
  5. A confirmation appears that the citation style has been added.
Zotero - Install style by double-clicking - Citation Styler
Option 1: Open Zotero and double-click to open the file. Zotero recognises the .csl file and offers to install the style.

Option 2: Right-click & ‘Open with...’

If Zotero does not recognise the file when you double-click it, you can open it explicitly with Zotero:

  1. Navigate to the downloaded .csl file
  2. Click on the file with the right mouse button
  3. Select ‘Open with...’ and then select
    • ‘Zotero’ either directly there
    • or go to ‘Select another app’ and select Zotero there
  4. Zotero should now import the file and display the dialogue shown above
Option 2 - Install citation style with open with context menu in Zotero - Citation Styler
Option 2: opening the .csl file using ‘Open with’

Option 3: Manual installation in Zotero

If the first two methods do not work, you can import the style manually into Zotero:

  1. Open Zotero
  2. Go to Edit (Windows) bzw. Zotero (Mac) > Settings/Einstellungen.
  3. Switch to the Cite tab and select Styles.
  4. Click on the +-symbol at the bottom left.
  5. Select the saved .csl file and confirm the import
  6. The style is now displayed in the list and can be used
Option 3 - Install directly in Zotero - Citation Styler
Option 3: install the .csl file directly in Zotero

Using the new citation style

The citation style should now be installed. To apply it to your document, you need to do this directly in your Word file. To do this, simply go to the Zotero tab in Word and select the style under Document preferences/Document settings.

Harvard citation style according to Scribbr in Word with Zotero
Citation styles must be applied directly in the document. In the Zotero tab in Word under ‘Document preferences’

Summary

Installing a custom .csl citation style in Zotero is easy if you know the right steps. If one method doesn't work, there are alternative ways to import the style. If you have any problems with the installation, you can always contact me at contact me!


Further reading

Blog - Zitate in Word verlinken und Hyperlinks in Bibliographie setzen
Making Zotero citations clickable in Word: The ZoteroCiteLinker add-in
The ZoteroCiteLinker add-in makes Zotero citations in Word clickable and automatically links URLs in the bibliography. Simply via your menu bar.
Zotero und CSL ein Leitfaden
Using Zotero and CSL citation styles
Zotero and CSL citation styles. In this guide, you will learn how to use Zotero and citation styles effectively.
Blog - KI für die Wissenschaft
The best AI tools for scientific research (alternatives to ChatGPT)
AI tools such as ChatGPT are helpful, but there are specialised alternatives for scientific research. This article shows you the best AI research tools, such as OpenSciLM, Scholar Labs, Elicit, Consensus & Co., and explains which tool is suitable for which research step.
Blog - Adding sources to your Zotero bibliography
How do I add extra sources to my bibliography with Zotero?
Sometimes in Zotero, you need to add sources to your bibliography that have not been directly cited, such as the book containing a specific chapter. Here, I will show you how to do this easily.

© Citation Styler. All rights reserved. 2026