Sorts of SLDM Files

Primary SLDM File Association

.SLDM

Formatting:	.sldm
Classification:	Microsoft PowerPoint Macro-enabled Open XML Slide

The SLDM file suffix is related to Microsoft PowerPoint, a widely-known powerful application used to create dynamic presentations. The files contain macros- enabled slides.

Company:	Microsoft Corporation
File Category:	Uncommon Files
Key:	HKEY_CLASSES_ROOT\.sldm

Software Programs That Open The Microsoft PowerPoint Macro-enabled Open XML Slide:

Microsoft Excel by Microsoft Corporation

Windows

	Mac
	iOS

Android

Microsoft PowerPoint by Microsoft Corporation

Windows

	Mac
	iOS

Android

Microsoft Office by Microsoft Corporation

Windows

Mac

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SLDM File Complications

Issues Opening SLDM Files

Microsoft Excel Removed

When you double-click your SLDM file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". Usually, this is because you do not have Microsoft Excel for %%os%% installed. You won't be able to double-click to open your SLDM because your OS doesn't know what to do with it.

Tip: When you have another program installed that you know will open your SLDM, you can select it from the other programs listed (see "Show Apps").

Wrong Version of Microsoft Excel is Installed

Sometimes your installed version of Microsoft Excel won't support your Microsoft PowerPoint Macro-enabled Open XML Slide file. Visit the Microsoft Corporation website to download (or purchase) the latest version of Microsoft Excel. Most of the time your Microsoft PowerPoint Macro-enabled Open XML Slide file was created by a newer Microsoft Excel than what you have installed.

Tip: If you right-click on your SLDM file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.

Ultimately, most of the difficulties opening SLDM files are due to having the wrong version of Microsoft Excel installed.

More Causes of Problems Opening SLDMs

Assuming you have the right Microsoft Excel version installed, other problems can prevent you from opening SLDM files. There can be external issues inside of %%os%% that are causing these errors when opening SLDMs. Problems unrelated to software:

• SLDM file type Registry entries are wrong
• Unintentional removal of the description of the SLDM file inside the Windows Registry
• Invalid installation of a SLDM-associated program (eg. Microsoft Excel)
• The SLDM itself is corrupted
• Your SLDM has adversely impacted by malware
• Hardware associated with SLDM has outdated drivers
• Your PC doesn’t have enough available resources to open the Microsoft PowerPoint Macro-enabled Open XML Slide file