ONLYOFFICE Desktop Editors is an open-source office suite distributed under AGPL v.3. The application does not require constant connection to the Internet and allows you to work with documents stored on your computer.

You can create, view and edit text documents, spreadsheets and presentations of the most popular formats: DOCX, ODT, XLSX, ODS, CSV, PPTX, ODP, etc. You can also create DOCXF form templates and fill out OFORM fillable forms. View all the formats supported by Document Editor, Spreadsheet Editor, Presentation Editor.

ONLYOFFICE Desktop Editors is a cross-platform solution. You can install it on Windows, Linux or Mac OS.

To download the latest version of the ONLYOFFICE Desktop Editors for your operating system visit our website and follow our installation guides for Windows, Linux, and Mac OS.

To create a new document, spreadsheet, presentation, or form template, click the corresponding menu item in the Create new section on the left.

A new file will open in a new tab or in a new window subject to the option you choose. To select the needed option, go to the Settings section in the left side menu, scroll down to the Open file, click the arrow to open the drop-down menu and select In its own tab or In its own window. Click the Apply button at the bottom of the page for changes to take effect.

To save the created document, click the Save icon at the top toolbar. In a new window that opens, select the location on your computer where you want to store the file, specify the file name, choose the necessary format and click the Save button.

To quickly access recently opened documents, use the Recent files section of the left side menu in the main program window. Click a file to open it.

If you right-click a file, you can use one of the available contextual menu options:

• Open – to open the file in a new tab.
• Remove from list – to remove the file from the Recent files list (the files will not be deleted from your hard disk drive, they will just disappear from the list of recent files).
• Clear – to remove all the files from the Recent files list.

The Open local file section in the left side menu of the main program window allows accessing all documents stored on your computer. Click the Browse button. A new window will open where you can select the file you need.

All the directories that you have accessed using ONLYOFFICE Desktop Editors will be displayed in the Recent folders list so that you can quickly access them afterwards. Click the necessary folder to select one of the files stored in it.

You can edit documents, spreadsheet and presentations using a great number of formatting and styling tools. To learn more, you can refer to the corresponding sections of the documentation for Document Editor, Spreadsheet Editor, Presentation Editor.

Detailed instructions on using features can also be found here: Editors User Guides.

Connecting ONLYOFFICE Desktop Editors to the cloud allows you to get access to:

• collaborative features
• online features
• private rooms

You can easily connect the desktop application to the ONLYOFFICE cloud (cloud service, cloud for personal use, or server version) or a third-party cloud storage (Nextcloud, ownCloud, Seafile, Liferay, KDrive) and use all the product capabilities. In this case, an Internet connection is required.

Read the detailed instruction how to connect ONLYOFFICE Desktop Editors to ONLYOFFICE cloud version, ONLYOFFICE Personal cloud, ONLYOFFICE server version, Nextcloud, ownCloud, Seafile, Liferay, KDrive.

Collaborative features

Connecting ONLYOFFICE Desktop Editors to the cloud you get access to the following collaborative features:

• collaborative editing,
• reviewing (for text documents only),
• commenting,
• communicating via the built-in chat.

Online features

Some editing features are only available in the online version (both in the paid ONLYOFFICE cloud and in the free Community version). You can use them through the ONLYOFFICE Desktop Editors interface only after connecting to the cloud:

• Mail Merge in the Document Editor.

Private rooms

After connecting to the ONLYOFFICE Cloud (server version), you can securely edit and co-author your documents within the Private Room, a special section in the Documents module where all documents and data transferred during collaboration are encrypted with the AES-256 encryption algorithm.

To learn more, you can refer to this article: How to use the Private Room to work on your documents securely?

Plugins are designed to expand the capabilities and add new features to Desktop Editors.

ONLYOFFICE Desktop Editors include a number of the pre-installed plugins.

• Document Editor contains the following plugins by default: PhotoEditor, YouTube, OCR, Translator, Send, Thesaurus, Highlight code.
• Spreadsheet Editor contains the following plugins by default: PhotoEditor, YouTube, Translator, Send, Thesaurus, Highlight code.
• Presentation Editor contains the following plugins by default: Audio, Video, PhotoEditor, YouTube, Translator, Send, Thesaurus, Highlight code.

To extend the editors functionality, you can add your own plugins. It only takes a few minutes and can easily be done by following the instuctions below:

1. Go to App Directory page, where all compatible and ready-to-install plugins are located.
2. Select the suitable plugin from the list and make sure that it is compatible with the Desktop Editors.
3. Click the Install now button, or you can also manually find the repository of the latest available corresponding plugin on ONLYOFFICE Github page.

   Here are some examples:

   • Telegram - chat with co-authors in real time using integrated Telegram client;
   • Words counter - count words, characters, and paragraphs in the selected part of your document;
   • Thesaurus - search for synonyms and antonyms of a word and replace it with the selected one.

   All the currently existing open source plugin examples are available here.

4. Download the repository files and, if you downloaded them in .zip format, unzip them.
5. Archive all the plugin files to .zip format and change the archive extension to .plugin.
   the archive must contain config.json, index.html and pluginCode.js files.
6. Open the ONLYOFFICE Editors app, switch to the Plugins tab of the top toolbar and click the Settings button. The Settings window will open.
   
7. Click the Add plugin button and specify the path to the plugin.

The plugin will be added to the opened editors and all the editors you will open afterwords and displayed within the Plugins tab.

To remove the added plugin, click the icon.

To find out how to remove default plugins from the ONLYOFFICE Desktop Editors, refer to this page: Uninstall default plugins from the desktop editors.

The plugin structure and the procedure of creating plugins is described in the Plugins and macros section of the https://api.onlyoffice.com web site.

The Settings section in the left side menu of the main program window allows you to:

• change the user name displayed in the header of each opened document
• select the interface language. The list of the available languages can be found here
• adjust interface scaling (on Windows and Linux only). The available values are Auto, 100%, 125%, 150%, 175%, 200%.
• set the periodicity of automatic checking for updates: every day, every week or never
  you can also check for updates manually using the Check for updates link in the About section of the main program window.
• select the interface theme. The available themes are Light, Classic Light, and Dark.
• select the Editor’s launch mode when you open a new editor: In tab or In window. This will not affect your portals launch mode. Portals always open in a tab.
• enable or disable Spelling language detection when switching the keyboard language (on Windows only). The available values are Auto and Disabled. When the Auto option is selected, the spell checking language is detected automatically when you switch the keyboard language and start typing. When the Disabled option is selected, the spell checking language does not depend on the keyboard language.

Make the necessary changes, scroll down and click the Apply button at the bottom of the page.

Security settings

To protect your documents, spreadsheets, or presentations, you can set a password, or sign a file using a digital signature. To learn more, you can refer to these instructions:

• Protecting your documents with a password
• Protecting your documents with a digital signature

Additional operations

You might also need to perform some additional operations, for example, install additional fonts, or associate office documents files with ONLYOFFICE Desktop Editors on Windows. To learn more, you can refer to these instructions:

• Adding new fonts to ONLYOFFICE Desktop Editors
• Associating files with Desktop Editors on Windows 10