Which of the following file extensions is applied to a PowerPoint 365 presentation by default when you save it? 1. .pptx 2. .pdf 3. .potx 4. .ppt

Break Down the Problem

1. Identify the file extensions related to PowerPoint.
2. Determine which of these extensions is the default for saving a presentation in PowerPoint 365.

Relevant Concepts

• File Extensions: These denote the format of the file and are crucial for determining the functionality and compatibility of the document.
• PowerPoint File Formats: Common extensions include:
  • .pptx: Standard file format for presentations in newer versions of PowerPoint.
  • .pdf: A format for documents that preserves layout across devices.
  • .potx: A template file format used for PowerPoint templates.
  • .ppt: An older file format used by earlier versions of PowerPoint.

Analysis and Detail

• The most recent versions of Microsoft PowerPoint (including PowerPoint 365) save presentations in the .pptx format by default.
• The pptx format allows for a wide range of features, including animations, transitions, and multimedia integration.

Verify and Summarize

• The .pptx extension is widely recognized as the standard for PowerPoint presentations created from PowerPoint 2007 onwards.
• Other formats mentioned serve specific purposes, but .pptx is the default for presentations in PowerPoint 365.

Final Answer

The default file extension applied to a PowerPoint 365 presentation when saved is .pptx.