Office 2019 vs Office 2024 Mac: the comparison for your decision

When it comes to Office 2019 vs Office 2024 Mac, it's less about looks and more about a hard fact: on 13 July 2026, the code-signing certificate of Office 2019 for Mac expires and will not be renewed. Word, Excel, PowerPoint and Outlook do still launch afterwards, but you can only open, view and print – editing and saving are then no longer possible. Office 2024 Standard for Mac is not affected by this and stays fully usable.

Feature differences at a glance

Both packages contain the same core apps: Word, Excel, PowerPoint and Outlook. The difference lies in the state of the software and in what still works after the cut-off date.

Your existing files stay compatible: you continue to open and edit .docx, .xlsx and .pptx in Office 2024 quite normally. No data is lost when switching, because nothing changes in the files themselves. On Apple Silicon, Office 2024 also runs natively and therefore more smoothly than the older 2019 apps.

The read-only cut-off date for 2019

The reason is not a bug, but the expiry of the certificate with which Office 2019 for Mac is signed. Microsoft is not renewing this certificate.

Specifically, this means from 13 July 2026:

• The apps still open – so they do launch.
• You can view, read and print documents.
• Editing and saving no longer work.
• Office 2019 left mainstream support back on 10/10/2023.

Important: an un-updated Office 2021 for Mac is also affected. An updated 2021 version (from build 16.83) remains usable for now.

Is it worth switching now

If you actively use your Mac for work, switching before the cut-off date is the more relaxed solution. You avoid losing the ability to save in the middle of a project. Since your existing documents are preserved in their familiar format, the switch is possible without data loss and you carry on working directly on the same files.

Who Office 2024 Standard for Mac suits:

• You want to keep editing and saving, even after 13/07/2026.
• You'd prefer a one-time purchase instead of an ongoing subscription.
• You need Word, Excel, PowerPoint and Outlook without any loss of features.

Office 2024 Standard for Mac is a perpetual licence with no expiry date; security updates are provided within the Microsoft lifecycle. For pure Office users, this one-time purchase is usually the obvious choice.

How to migrate

The switch is straightforward and requires no data migration.

• Buy Office 2024 Standard for Mac and download it – the setup file is Microsoft-signed.
• Uninstall Office 2019 or simply replace it with the new version.
• Install Office 2024 and activate it with your licence key.
• Open your existing files – they remain editable in their familiar format.

After that you carry on working on your Mac as before, just without the read-only cut-off date hanging over you.