Streamline Emailing with Outlook.com Mailto

Outlook.com Mailto is a Firefox browser extension designed to enhance user experience when dealing with mailto links. By integrating seamlessly into the Firefox application settings, it allows users to designate Outlook.com as their default email provider. This means that clicking on mailto links across various websites will directly open the Outlook.com interface, streamlining the process of composing emails.

This extension is particularly useful for those who prefer Outlook.com for their email communications, as it automates the process of filling in email details whenever a mailto link is clicked. It is important to note that this extension is unofficial and operates independently of Microsoft, offering a simple yet effective solution for users looking to optimize their email workflow.

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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

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Scan Info

Last scan
Sunday, September 21, 2025
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File Integrity

File
2.7.1.xpi
SHA256
fb2fb777280e09f32b7c7e134d14506b5a0f694bdbd4f352ed0ac3d3994c43c1
SHA1
f661ecdc34d3076ecb53cd0a1dc806842a5e3c28

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Outlook.com mailto has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware.