If you've done project planning using PowerPoint and are switching to Visio, you may want to use some of your work-flow diagrams or other slides in Visio. Converting PowerPoint slides for use in Visio involves saving them in a format that you can open in the latter program.
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Open your PowerPoint file.
Click the "Microsoft Office" button and select "Save As." Click the "Other formats" option. Choose .jpeg, .gif, .png or .tiff.
From the "File" menu, select "Open." Click "All Visio Files" and choose the output format you selected in Step 2. Click "Open."