SLDM File Extension
Microsoft PowerPoint 2007/2010 Macro-enabled Open XML Slide
- File Type sldm
- Developer Microsoft Corporation
- Popularity
- Application Microsoft PowerPoint
- Category Data Files
What is a SLDM file?
The SLDM file extension is linked to Microsoft PowerPoint 2007/2010 Macro-enabled Open XML Slide and belongs to the Data Files category, which includes 6196 files.
The Microsoft PowerPoint 2007/2010 Macro-enabled Open XML Slide (SLDM), created by Microsoft, is one of file format they developed, and they also built 242 programs to support them.
SLDM files are supported by Windows and Mac OS. When working with SLDM files, you can rely on 3 programs, including Microsoft PowerPoint, Microsoft Excel and Microsoft Office.
MIME types
- application/vnd.ms-powerpoint.slide.macroEnabled.12
Programs that support SLDM files
How to open a SLDM file?
If you can’t open a SLDM file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
The most popular programs for working with SLDM files are Microsoft PowerPoint, Microsoft Excel and Microsoft Office. To install the latest version of Microsoft PowerPoint on your computer, visit the Microsoft website where you can download the version available for all operating systems.
Following installation, SLDM files should be automatically opened with Microsoft PowerPoint.
Set Microsoft PowerPoint as your default SLDM viewer
Changing the default program in Windows
- Right-click on your SLDM file, then choose the "Open with" option and select "Choose another application" from the available options;
- From the list of applications in the pop-up window, find and select Microsoft PowerPoint as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening SLDM files.
Set default app to open files on Mac
- Right-click or Control + left-click on the desired SLDM file to open a menu of available actions;
- Select "Open in application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to Microsoft PowerPoint. Check the box next to "Always open in app" to make sure it’s the default option.
How to edit a SLDM file?
To edit SLDM files, you need to install specialized software that allows you not only to open but also to modify data files. Online SLDM editors usually provide fewer features than software created specifically for Microsoft PowerPoint 2007/2010 Macro-enabled Open XML Slide.
Best SLDM editors in 2026
Taking into account the provided details, we have prepared a list of SLDM editors that match your needs.
| SLDM Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Microsoft Excel | Microsoft | Windows, Mac OS, Apple iOS, Android | 4.7 out of 5 (37 reviews) |
| Microsoft PowerPoint | Microsoft | Windows, Mac OS, Apple iOS, Android | 4.4 out of 5 (40 reviews) |
Solving Common SLDM File Challenges
When issues arise with SLDM files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the warning signs that my SLDM file may be corrupted?
Corrupted SLDM data files may have one or more of the following symptoms:
- Error messages appear during the course of working with the file;
- Poor performance when editing a file in Microsoft Excel;
- Attempts to open the file result in errors or failed results;
- Unexplained increase in SLDM file size;
- The file causes Microsoft PowerPoint or other programs to hang or crash during operation;
Why does Microsoft PowerPoint crash?
Microsoft PowerPoint crashes can be caused by outdated software. Keep your Microsoft products up to date by installing the latest updates.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.
How to repair a corrupted SLDM file?
Use a data recovery program to open the damaged SLDM file and from the menu choose "Repair" function to start the repair process. Please be patient while the recovery process completes, which will automatically restore the damaged data files.