Mailto links open Microsoft Office 365 Webmail / Outlook Web Application Compose by default

Latest Version

Version
1.1
Update
January 8, 2021
Size
28.5KiB
Developer
jonroig.com
Category
Users
50,000+
Rating
3.78571 ★
Manifest Version
2
Web Store Status
Languages Support
English (United States)
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Permissions
Storage
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MailtOWA: Mailto O365 Webmail / OutlookWebApp Extension

Updated 01-2021: Better support for Mac OS, support for Microsoft Live

... the missing bit of functionality that Microsoft should have provided?

With the MailtOWA extension installed, mailto: links will automatically open O365 Webmail / Outlook Web Application (OWA) / Outlook Live by default.

That's it. Nothing fancy. No ads or any other nonsense.

... Built to satisfy my own needs, released for free because other folks seem to have the same problem.
Enjoy!

If you like it, leave a review. I need more internet points!

A free extension by i❤️.ws Emoji Domains
Source code: github.com/jonroig/MailtOWA
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "MailtOWA: Mailto O365 Webmail / OutlookWebApp", "version": "1.1", "description": "Mailto links open Microsoft Office 365 Webmail / Outlook Web Application Compose by default", "permissions": ["storage"], "options_page": "popup.html", "background": { "scripts": ["background.js"], "persistent": false }, "content_scripts": [ { "all_frames": true, "js": [ "mailtowa.js" ], "matches": [ "\\u003Call_urls>" ], "run_at": "document_end"} ], "browser_action": { "default_popup": "popup.html", "default_title": "MailtOWA", "default_icon": { "16": "images/mail16.png", "32": "images/mail32.png", "48": "images/mail48.png", "128": "images/mail128.png" } }, "icons": { "16": "images/mail16.png", "32": "images/mail32.png", "48": "images/mail48.png", "128": "images/mail128.png" }, "manifest_version": 2}
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How to download and manually install MailtOWA: Mailto O365 Webmail / OutlookWebApp extension for Chrome

Looking for a way to install MailtOWA: Mailto O365 Webmail / OutlookWebApp extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install MailtOWA: Mailto O365 Webmail / OutlookWebApp extensions manually, this article outlines two simple methods to effortlessly install MailtOWA: Mailto O365 Webmail / OutlookWebApp extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download MailtOWA: Mailto O365 Webmail / OutlookWebApp extension and manually install through Drag &Drop

If you ever need to manually install a MailtOWA: Mailto O365 Webmail / OutlookWebApp extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the MailtOWA: Mailto O365 Webmail / OutlookWebApp Extension by clicking the "Download CRX" button on the website.

Look for the MailtOWA: Mailto O365 Webmail / OutlookWebApp extension you wish to install. Go to the website and download the MailtOWA: Mailto O365 Webmail / OutlookWebApp extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for MailtOWA: Mailto O365 Webmail / OutlookWebApp extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the MailtOWA: Mailto O365 Webmail / OutlookWebApp extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download MailtOWA: Mailto O365 Webmail / OutlookWebApp extension for Chrome and install in Developer Mode

This is another method to install MailtOWA: Mailto O365 Webmail / OutlookWebApp extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the MailtOWA: Mailto O365 Webmail / OutlookWebApp extension file

Select and download the MailtOWA: Mailto O365 Webmail / OutlookWebApp extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the MailtOWA: Mailto O365 Webmail / OutlookWebApp extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your MailtOWA: Mailto O365 Webmail / OutlookWebApp extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the MailtOWA: Mailto O365 Webmail / OutlookWebApp extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install MailtOWA: Mailto O365 Webmail / OutlookWebApp extension in 2 ways. We hope this guide proves helpful.

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User reviews

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James Kurtz (ID: 00000070a7418624) Voted 5 ★ - Updated 08/29/2023 Does the job and nothing else. Perfect.

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Sync Account (ID: 0000006919a9f19d) Voted 1 ★ - Updated 05/01/2023 Doesn´t work

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Johnathan “Johnny” Hess (ID: 000000e6e35a6c57) Voted 5 ★ - Updated 11/18/2021 Works for me

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Felix Dombek (ID: 000000ce913899f1) Voted 3 ★ - Updated 11/28/2020 It works for mailto links within emails that I get. For all other mailto links on websites, it opens a login page for Outlook.Office (instead of Outlook.Live) on which I cannot login with a personal email address because it is for corporate accounts only. It would be great if the extension could be configured to always link to the private outlook page.

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Sam Prince (ID: 1c9d88fe1ba5e151) Voted 4 ★ - Updated 07/24/2020 I didn't like this extension's requirement to access all websites I visit so I restricted it to just the site I wanted to click mailto: links on and it wouldn't work at all (just did nothing). It turns out you can restrict it to just https://outlook.office.com (in manage extensions in Chrome) and it works perfectly for mailto links on all sites which is better than I had hoped, but I docked a star because it's a manual step. 5 stars if that could be the default config.