Mac Outlook backup has become extremely important in 2026 due to several reasons. Many Mac users are today dealing with an overloaded mailbox, storage issues, OLM export errors, accidental deletions, and the need to shift emails to other platforms. A reliable Outlook Mac backup software makes the entire process simple, safe, and worry-free by allowing you to store your email in secure formats like PST, MBOX, PDF, EML, or even OLM itself.

In this guide, we have reviewed the top 10 backup Mac Outlook tools for 2026, explained their strengths, and mentioned their weaknesses. This will help you choose the right option.

1. Mail Backup X : 

A perfect tool for Mac and Windows Mail Backup X continues to be the top-rated backup tool for Mac Outlook. Unlike most tools, this isn't just a conversion tool but a complete backup, archiving, and management solution for Mac and Windows users. It is designed to handle large OLM files smoothly. It can compress data, prevents corruption, and lets you store data on different sites. This gives you safe, long term protection especially with dual encryption.

Pros

This multifaceted tool can support Mac Outlook 2016, Outlook for Mac 2011, Office 365, Yahoo, Gmail, IMAP and more.

The tool is a robust app for Mac as well as Windows.

With it, you get features like smart compression, dual encryption, and option of storing backups locally and remotely.

You get automatic backups, incremental backups, advanced viewing and search options.

It can export your emails to many formats including PST, MBOX, PDF, EML, RGE, etc.

Cons

There aren't any true cons. But one can say that it is a paid tool but as it gives more value for money, robust security, and long term data protection, we will list it here.

It has a free demo but it backs up limited mails.

2. SysTools Mac OLM Converter : Mac only as name suggests

If you want to know how it backs up Mac Outlook, it can convert and export OLM files securely. This is a simple tool which suits beginners who want a basic backup for Mac Outlook.

Pros

It can convert OLM files to MBOX, PST, EML, and MSG.

It supports export of bulk OLM files.

It has an easy to understand interface.

Cons

The tool does not have a version for Windows devices.

It doesn't allow for backup on different sites.

It doesn't offer email compression .

With it, real time automatic backups are not available.

The feature list is not comprehensive.

 3. OLM Extractor Pro – USL Software: a backup tool for macOS

This is a long standing tool. It can extract OLM files. It is often used for email migration of Mac Outlook emails to other formats.

Pros

The tool can reliably extract and convert your OLM files.

OLM Extractor Pro will preserve folder hierarchy & metadata.

It can also convert OLM to MBOX, EML, Apple Mail formats.

Cons

The tool is only for Mac operating systems.

It does not provide cloud backup options.

Optimisation is faulty as encryption and compression features are missing.

It only offers manual operation so you can't schedule backups.

For a single license, the pricing is kind of high.

4. Systweak OLM File Converter: a utility for macOS

Systweak’s OLM converter is a tool you use for basic export of OLM files to some other formats. It can be an easy tool when you don't want advanced features and functions.

Pros

This tool supports PST, EML, MBOX, and MSG.

Non-technical users can also get this tool as it has a simple interface.

Cons

There is no Windows edition for Outlook backup.

Advanced backup automation is missing.

You will not be able to store backups in multiple sites as it does not support it.

Detailed progress logs are not provided.

It does not have compression features.

It does not have archiving features.

5. MacUncle OLM Converter: one of the free tools for both macOS and  Windows

This tool from MacUncle is a clean and lightweight solution for converting OLM files for backup purposes. It can be deemed good for small and medium workloads.

Pros

One of those tools which can work on both Mac and Windows.

You can choose from multiple export formats.

You can convert selectively as it supports folder selection.

Cons

Despite a few merits, it falters as its interface looks outdated.

This tool lacks some important features like data encryption.

It does not support cloud based storage.

It does not allow automatic backup scheduling.

It has only limited long term archiving options.

6. Email Backup Wizard – Mac Edition (BitRecover)

It isn't a focused tool but a general purpose email backup tool that supports OLM files among many other formats.

Pros

This Mac Outlook backup wizard supports many email services.

It can also convert OLM to many file types.

It has a clean and minimal interface.

Cons

You only get a macOS version.

It is not optimised for very large OLM files and this can be a bad thing.

It doesn't even support double layered encryption.

True backup automation is not possible with it.

Its subscription can be expensive.

7. CubexSoft OLM Export Tool: available for macOS

One can begin by saying that CubexSoft focuses on accuracy and email preservation. This application is mainly used when converting OLM to MBOX or PST. So it is for limited use.

Pros

The tool supports multiple conversion formats.

It is good at maintaining folder structure.

The operation is fairly simple.

Cons

The tool works for macOS only.

Amongst the many missing features is data compression.

Another thing amiss is the option for multi-layered storage.

The security features are also limited.

It slows down if the OLM files size is large.

8. SoftTweak OLM Converter: macOS application

This Mac compatible solution is a compact tool which can handle straightforward OLM backup and export.

Pros

The good thing is that the app is easy to install and use.

This Outlook Mac email backup tool can export OLM to standard formats.

It is a lightweight software.

Cons

This is only a Mac compatible option.

It has very limited email backup features.

Even a necessary feature like incremental backup is not available.

It does not include data encryption options.

It has an outdated interface so that also bothers the users.

 9. ToolsCrunch OLM Converter: Outlook backup software for Mac

This tool can be counted as another basic converter for OLM file backup and migration.

Pros

This solution has a quick conversion engine.

You will be able to migrate OLM files to multiple export formats.

It is a beginner friendly Mac tool.

Cons

As a backup tool, it has many issues like it lacks advanced backup features.

Cloud integration is not included in this tool so remote backups can't be done.

It does not offer you multi-layer protection.

Data compression feature is also amiss.

Even the customer support is limited.

10. ZOOK OLM Converter: Mac Edition

This is a simple OLM expert tool from Zook. It allows you to extract and convert emails from Mac Outlook 2016 OLM files. It is a very basic and limited tool.

Pros

This Mac Outlook backup utility can convert OLM files to PST, MBOX, EML, MSG.

You do get the selective folder export option.

The easy interface gives some comfort.

Cons

This tool exists only for Mac and offers very limited functionality.

As it lacks encryption, you cannot be certain of data security.

There is no automation of backups with it.

It doesn't offer additional archiving controls.

A much weaker tool compared to competitors.

How to Choose the Right Mac Outlook Mail Backup Tool

Do you know what to look for before selecting a backup tool? If not, check this list:

● Mac compatibility

You need to ensure it works on macOS versions you use. As most people work in hybrid environments, Mac and Windows compatibility is much better.

● Supported formats

It is always better that it is compatible with multiple file formats like PST, MBOX, EML, PDF, etc.

● Security and optimization features

Features like accurate and automatic compression, dual encryption, multi-layer storage for local and remote backups are an asset.

● Backup automation 

Features like backup scheduling and incremental backups with option of choosing frequency are necessary today.

● Performance

Can it handle large OLM files? Can it detect network issues and resume backups when all is well?

● Ease of use

Today the technology must give you a simple workflow for exporting, restoring, and viewing data.

● Additional features

Features such as USB sync, search, view, repair options, indexing, log reports can give the best experience.

Choose a tool that balances safety, speed, compatibility, and long-term protection like Mail Backup X.

Final Verdict: Why Mail Backup X is the Best

Among all tools reviewed, Mail Backup X clearly stands out as the strongest Mac Outlook backup solution in 2026. It is the only tool that offers a complete set of features like automatic backup, ultra powerful compression, double layered encryption, local and remote storage, cross-platform support, and advanced export formats in one package.

Unlike many tools and services, this isn't a basic tool or an export tool. It is an advanced backup, archiving, restore, and export tool. Team and Personal editions are available for it.

Visit https://www.mailbackupx.com/how-to-backup-outlook-mac-mails-on-mac/ and download a free trial.