By default, the export resolution of a PowerPoint slide that you want to save as a picture is 96 dots per inch (dpi). To change the export resolution, follow these steps:

  1. Exit all Windows-based programs.

  2. Right-click Start, and then select Run

  3. In the Open box, type regedit, and then select OK.

  4. Locate one of the following registry subkeys, depending on the version of PowerPoint that you're using:

    PowerPoint 2016, 2019, PowerPoint for Microsoft 365

    HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\PowerPoint\Options

  5. Select the Options subkey, point to New on the Edit menu, and then select DWORD (32-bit) Value.

  6. Enter ExportBitmapResolution, and then press Enter.

  7. Make sure that ExportBitmapResolution is selected, and then select Modify on the Edit menu.

  8. In the Edit DWORD Value dialog box, select Decimal.

  9. In the Value data box, specify a resolution of 300. Or, use the parameters from the following table.

    Decimal value Full-screen pixels (horizontal × vertical) Widescreen pixels (horizontal × vertical) Dots per inch (horizontal and vertical)
    50 500 × 375 667 × 375 50 dpi
    96 (default) 960 × 720 1280 × 720 96 dpi
    100 1000 × 750 1333 × 750 100 dpi
    150 1500 × 1125 2000 × 1125 150 dpi
    200 2000 × 1500 2667 × 1500 200 dpi
    250 2500 × 1875 3333 × 1875 250 dpi
    300 3000 × 2250 4000 × 2250 300 dpi
  10. Select OK.

  11. On the File menu, select Exit to exit Registry Editor.