How to open .POTM files on Mac
To open .POTM files on Mac, open Microsoft PowerPoint, then use File → Open and select the .potm file (or double-click the file if associated).
Step-by-step instructions
- Open Microsoft PowerPoint, then use File → Open and select the .potm file (or double-click the file if associated).
- If prompted about macros, do not enable macros unless you trust the file’s source.
Common issues
Macros are blocked or the file opens with a security warning
.potm files can contain VBA macro code, so PowerPoint may open them with macros disabled or show a security warning to reduce the risk of running untrusted code.
- If you do not fully trust the source, keep macros disabled and only use the template’s non-macro content.
- If you trust the source and require the automation, open the file in Microsoft PowerPoint and enable macros only when prompted and necessary for your workflow.
Opens as a template rather than a normal presentation
.potm is a template format; it is meant to be used to create new presentations rather than edited as the primary deliverable.
- In PowerPoint, use the template to create a new presentation (a new file based on the template).
- Save the new presentation as a standard presentation format (for example, a non-template presentation type) if you intend to distribute it as a slide deck rather than a reusable template.
Doesn’t open correctly in non-Microsoft apps or loses macro functionality
.potm is OOXML-based and macro-enabled; apps that partially support OOXML may display slides but not preserve VBA macros or all template behaviors.
- Open the file in Microsoft PowerPoint for the highest compatibility, especially if the template relies on macros.
- If you need cross-app sharing, consider distributing a macro-free template format instead (macro-enabled features are specific and may not be supported elsewhere).
Security note
.potm can contain VBA macros; enabling macros can execute code, so treat .potm files from email or unknown sources as potentially unsafe.