Business & Operations
MSG Viewer for Business Teams & Operations
For sales managers, project leads, and executives who need to open MSG files from clients and vendors — without an Outlook install on every desk.
Common scenarios
How teams use OpenMSG
Typical workflows for business & operations teams. Every scenario runs locally on Windows — no Outlook required.
Client email archives arrive as .msg exports
When a partner or client sends archived Outlook emails as .msg files, your team needs to open them straight away — even on machines without Outlook. OpenMSG shows the full message and lets you save any attachment in one click.
Occasional reviewers without an Outlook profile
Contractors, interns, and part-time staff who don't have a mailbox of their own can still open forwarded MSG files with OpenMSG — no Outlook profile needed just to read a message.
Email trails for project hand-offs
When projects change hands, exported MSG files document the communication history. OpenMSG lets the new lead review each message quickly, save key attachments, and get up to speed without delay.
What you get
The essentials, without the overhead
Scenarios are illustrative examples drawn from common industry workflows — not legal, compliance, or licensing advice. Microsoft, Microsoft 365, Outlook, and Exchange are trademarks of Microsoft Corporation. OpenMSG is an independent product and is not affiliated with, endorsed by, or sponsored by Microsoft.
Ready to License OpenMSG for Business & Operations?
Volume licensing starts at 50 users, with annual and perpetual options. Free for personal use from the Microsoft Store.