Is harmon.ie or Ideagen Mail Manager better at finding project email?

Both file email into SharePoint. What happens when you need it back is where they part company.

The short answer: Ideagen Mail Manager is built for project correspondence. It files email to SharePoint, Procore, ProjectWise, Viewpoint and network drives, and adds the search and communication mapping that pull one email out of years of project history. harmon.ie is a Microsoft 365 email management tool that files to SharePoint, Teams and OneDrive. If your project record spans more than Microsoft 365 and has to stand up in a dispute, Mail Manager is the closer fit.

Are Mail Manager and harmon.ie built for the same job?

Not quite. harmon.ie brings SharePoint, Teams and OneDrive into Outlook, so people can file and find content across Microsoft 365 without leaving their inbox. Mail Manager is built around one narrower, deeper job: keeping a complete project correspondence record that someone can rely on years later.
The distinction matters when a project goes wrong. Most do not. When one does, the email trail becomes the evidence, and the tool you chose either produces it in seconds or leaves you searching for days.

Does your project data live only in Microsoft 365?

Project data rarely lives in one place. It sits in Procore, ProjectWise, Viewpoint and network drives as well as SharePoint. Mail Manager files email into all of them, so correspondence lands next to the rest of the project record wherever it sits. harmon.ie files to SharePoint, Teams and OneDrive, which leaves mixed-storage project teams filing in more than one place.

Which is better at finding the email that settles a claim?

Retrieval is the bigger split. Mail Manager searches within attachments, handles fuzzy matches on misspelled names and works offline, so a specific email can be pulled out of years of correspondence. It also maps who communicated with whom across a project, which is how a decision trail gets rebuilt when a dispute lands.

What you need	Why it matters	Ideagen Mail Manager	harmon.ie
Keep the full project record
File to Procore, ProjectWise, Viewpoint and network drives	Correspondence sits beside the rest of the project record, wherever it lives	✓	✗
Teams message filing	Capture decisions made in chat, not just in email	✓ (Teams Chat Filer)	✗
Filing suggestions that learn how your team files	The right project is suggested as email is sent and received	✓ (Prompt & Predict)	Partial
Find the email that settles a dispute
Search within attachments and fuzzy search	Find the clause in the PDF, or the email with a misspelled name	✓	✗
Offline search	Search the full project record on site with no connection	✓ (Classic Outlook)	✗
Social mapping	See who emailed whom on a project in one view	✓	✗
Fit your Microsoft 365 environment
New Outlook and Outlook for Mac	Keep filing as Microsoft moves users to the new client, on any device	Partial (full in Mail Manager Enterprise)	✓
Microsoft 365 Copilot	Use Copilot search and summaries alongside filed content	✗ (Partial in Mail Manager Enterprise)	✓ (in beta)
Languages other than English	Support teams working in French or German	✗	✓

✓ = full support. Partial = limited or conditional support. ✗ = not supported. Both products file email to SharePoint, Teams and OneDrive, and both can file email as it is sent. Mail Manager supports New Outlook through the Mail Manager Desktop NOW Bridge in v15.1+, running alongside Classic Outlook with the same filing engine.

 

When does harmon.ie fit?

When every project file your firm touches sits in Microsoft 365, and the priority is everyday SharePoint use, French or German speaking teams or Copilot rather than a project record built to stand up in a dispute.

Even then, there is a specialist option. Ideagen Mail Manager Enterprise is built for firms filing only to SharePoint Online, with Outlook for Mac, file on send, duplicate detection and Microsoft retention labels. If your storage reaches beyond Microsoft 365, standard Mail Manager covers that ground.

Frequently asked questions

Does harmon.ie file to Procore and ProjectWise?

No. harmon.ie files to SharePoint, Teams and OneDrive. Mail Manager files to Procore, ProjectWise, Viewpoint and network drives as well as SharePoint.

Which is better for finding old project email?

Mail Manager searches within attachments, handles fuzzy matches and works offline, and its social mapping shows who communicated with whom across a project. Those are the tools for rebuilding a decision trail years later.

What does harmon.ie do that Mail Manager does not?

harmon.ie is available in French and German as well as English, works with Microsoft 365 Copilot (currently in beta) and supports Outlook for Mac. Mail Manager Enterprise covers Outlook for Mac for firms filing only to SharePoint Online.

What happens to filed email when someone leaves?

With Mail Manager, the record stays, because email files to the project rather than the person. When someone leaves, their client correspondence remains centrally accessible and searchable.