CoolUtils Mail Viewer for Windows download

Brief overview

CoolUtils Mail Viewer is a free Windows utility that makes it simple to open and read email and contact files without needing Microsoft Outlook. It supports a variety of message and attachment file types, and is provided at no cost for personal (home) use — with no hidden charges or intrusive ads.

Supported message and attachment types

winmail.dat
VCF (vCard)
ICS (calendar)
P7M (S/MIME)
EMLX
EML
MSG

Flexible reporting and export

The app can generate detailed summaries of your email data (so-called “fact files”) and export them in several common formats. You can customize which fields appear in those reports — for example, sender, recipient, date, and attachments — to suit different needs.

HTML
CSV
XLS
PDF
TXT

Cost and alternative

The program is fully free for home users and aims to be lightweight and unobtrusive. If you want another free option to try, a commonly suggested alternative is SHAREit.

Technical

Title

CoolUtils Mail Viewer

Requirements

Windows

Language

No language has been specified.

Available languages

License

Free

Latest update

2025-12-30

Author

CoolUtils Software

Other Useful Business Software

Go from Code to Production URL in Seconds

Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.

Try it free

Rate This App

User Reviews

Be the first to post a review of CoolUtils Mail Viewer!

Related Software

Total Mail Converter Pro

Total Mail Converter Pro converts common email file formats (MSG, EML) into widely used document and image formats such as DOC, PDF, HTML, TIFF and TXT while preserving message context and handling attachments together with their parent messages. It can also save attachments in various formats and generates links to attachments in converted documents to keep originals accessible. Designed for high-volume and professional use, it supports batch processing, merging multiple emails into single files, automatic renaming using macros and metadata, and appearance controls like fonts and styles to match formatting preferences — making it suitable for archiving, sharing, printing, or creating consolidated records from large email collections.

Total Outlook Converter

Converts email messages, contacts and calendar entries into common document formats (PDF, DOC, HTML, etc.), with batch processing for large volumes and preservation of message metadata. Attachment handling options include extracting attachments to separate folders or converting them to PDF; output customization includes page layout (page numbers), automatic file renaming by date/sender/subject, and configurable destination folders and naming patterns. Commonly used by legal teams, records managers and public information officers to create searchable archives, prepare email evidence, and respond to public-records requests. If you’re evaluating it, test with a representative sample of your mail to confirm the formatting, attachment handling and naming rules fit your workflow.

Total Outlook Converter Pro

Total Outlook Converter Pro is a tool for batch converting large volumes of email messages and their attachments into common document formats (TIFF, HTML, TXT, RTF, DOC, PDF), preserving original content and attached files so each communication is retained in full. It includes compliance and archiving features such as Bates-style numbering for filenames and text watermarks on PDF outputs, and offers migration and reporting options (exports to mailbox/message formats and PST-to-table reports) to help audit or transfer large volumes of email data. A free 30-day trial is available.

MigrateEmails Zoho Migration Tool

MigrateEmails moves or backs up entire mailboxes quickly and reliably, capturing every folder including system and user-created ones with no cap on message count. It preserves folder layout and keeps message content and metadata intact — including headers, timestamps and attachments — minimizing post-migration cleanup, and is built to handle bulk transfers efficiently. It exports to common mailbox and document formats (EML, MBOX, MSG, PDF, PST, etc.), offering single-file or per-message output for archiving or client compatibility, and can be paired with cloud or local storage workflows for additional redundancy.

WiFi password revealer

WiFi Password Revealer recovers forgotten wireless credentials, revealing saved network names, passwords, and encryption types so you can reconnect quickly, and allows exporting the results to common file formats (TXT, CSV, HTML, XLS). It focuses on basic retrieval rather than advanced network management or analysis. If you prefer an alternative, WiFi Password Decryptor Free is a lightweight substitute.

Total Thunderbird Converter Pro

Total Thunderbird Converter Pro exports messages from Thunderbird and from MBOX archives into PDF, Word (DOC/DOCX), HTML, TIFF, or plain text while preserving attachments and supporting large batch conversions so thousands of emails can be processed at once. It includes document layout controls (fonts, styles, colors) and PDF options such as encryption, edit restrictions, digital signatures, custom headers/footers, and page numbering to produce presentation-ready files. Typical uses include email migration, long-term archiving, legal discovery, compliance recordkeeping, and creating readable copies of message histories; general-purpose free utility toolkits can help with productivity tasks but do not replace a dedicated mail-to-document converter for full-featured export and attachment handling.

LiquidFiles OutlookPlugin

LiquidFiles is an add-on that streamlines sending oversized attachments directly from an email client, letting users share large documents without separate manual uploads. It simplifies attachment management, supports much larger file sizes than standard email limits, and integrates into the mail client to provide an in-app experience. Choose LiquidFiles when you want an in-client solution for sending large files; choose standalone file-transfer utilities (for example, SHAREit) when you need web-based integration, cross-device transfers, or workflows that sit outside the mail client.

CSV to vCard

CSV to vCard converts contact lists from CSV files into vCard (.vcf) format, offering broad compatibility with address books and mobile devices, a simple interface, and quick, straightforward conversions. It has limits: 1 MB maximum upload size, up to 500 contacts per CSV, and no batch import (one file at a time). It’s best for individuals and small businesses moving modest-sized contact lists; for larger or more advanced conversions, consider a dedicated bulk converter with expanded features.

Papercut SMTP

Papercut SMTP is a lightweight tool for developers and testers that intercepts and stores email locally for inspection instead of delivering messages. It acts as a local SMTP endpoint and message viewer, capturing full message contents — plain text and HTML bodies, headers, attachments and raw source — and includes the ability to compose and send test messages, while running unobtrusively with optional notifications. It’s useful for verifying template rendering, diagnosing header or encoding issues, and confirming attachments and other mail metadata during development and QA, so problems can be resolved before using production mail services. For transferring test assets between machines, a simple file-sharing utility can be used alongside it.

Coolutils Outlook Viewer

CoolUtils Outlook Viewer is a compact, user-friendly utility for reading Outlook mail storage files (PST and OST) without the full mail application. It opens mailbox containers to inspect emails and folders, exports messages to EML, generates simple reports from selected messages, and offers basic organization and sorting to help find items quickly. It’s useful for occasional mailbox inspection, message extraction, or quick reporting without heavy software; alternatives include general mail clients with import/export add-ons or specialized mailbox viewers and converters.

Total Mail Converter

Total Mail Converter converts email messages into standard document files for easier storage, printing, or sharing, and works with messages produced by common mail clients and message file types. It can extract attachments, export selected metadata fields (for example sender, recipient, subject), and provides a straightforward interface for routine tasks, along with advanced options for automation and integration to support scripted or unattended processing. If you want another option, consider ExplorerXP Free.

Mail Bomber

Mail Bomber is a free utility for managing subscription-style mailing lists and basic bulk email campaigns. It provides scheduling, list import, segmentation with filters, reusable customizable templates, keyboard shortcuts for common tasks, and a built-in help center that walks users through setup and deliverability best practices. It is designed for simplicity rather than advanced analytics or deliverability services. Users should note it does not support attachments in HTML-formatted messages, and templated bulk mail may be routed to Spam without following the provided checklist and best practices. Overall, it’s a practical option for straightforward newsletter and marketing needs when ease of use and cost are priorities.

Report inappropriate content