Mbox Viewer by Cloud Captains
Tools
Mbox Viewer: free, secure, private, offline Mbox/EML/EMLX/PST viewer. Forensic analysis, search, bulk export. 100% local.
Users
1K
Rating
4.0
Reviews
8
7D Growth
0|0%
Stable signalNo paid features detectedHigh-risk permissions
MSG & EML Email Viewer - Outlook & Thunderbird Files
View Outlook MSG and EML email files with attachments and formatting. Perfect for business and email archiving.
Users1KCurrent public install base
Rating5.0Store average score
Reviews4Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
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4 assetsMSG & EML Email Viewer - Outlook & Thunderbird Files Media preview
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Start
5.00
Latest
5.00
7-day rating change
0.00
2026年7月5日2026年7月9日
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Version1.0.13
ManifestV3
Size214KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
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MSG & EML Email Viewer - Professional Email File Management
Free to use | No Sign In | 100% on device for privacy
This extension allows you to view MSG and EML email files directly in Chrome without needing Microsoft Outlook or any other email client installed. It's designed for professionals who regularly work with email files and need a reliable, fast way to access their contents.
What it does
When you encounter MSG or EML files - whether from email exports, legal discovery, backups, or shared by colleagues - this extension lets you open them instantly. Click on any MSG/EML file link on a website, or use the extension popup to browse and select files from your computer. The extension displays emails in a clean, professional interface that preserves the original formatting.
Key Features
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Store average score5.0Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average5.0Average computed only from synced review bodies below
Reviews with text3Synced review bodies
Total ratings / reviews4Chrome Web Store public rating/review count
Store average score: 5.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Works great. A viewer flyout from right instead of a new tab would be awesome.
Viewer works like a charm, no shenanigans and no uploading your Mails anywhere to steal your data. This is genuine work and Dev ist actually responding to feedback.
This extension is beautifully designed and simple to use. The interface feels clean and lightweight, and it opens .MSG and .EML files in the browser. I recommend pinning it to your extensions toolbar to save clicks. If you run into an issue, reach out to the developer. You actually hear back from a real human who cares. Rare and very appreciated. It works smoothly with exports from Outlook online, Gmail, and Outlook desktop.