It has a is similar to PowerPoint Online, but you need to download a copy of the presentation first to create a new slide from within the main mobile desktop user interface. What to do if you have an expired PPTX, PPTX-X and PowerPoint? The expiration date and the page range for the PPTX file are printed on the PDF. If you use an expired PPTX, you will not be able to edit a new slide until the expired PPTX expires. How to open PPT file on an Android smartphone / tablet with a Chromebook On the Chromebook, the desktop is a Chrome tab. To open a PPT file, you must open the Chrome browser, go to the How-to Open PowerPoint Online on Google Docs Step 1: Click on Your User Profile in the top left corner of your desktop, and go to Settings tab Click on “Open files” in the upper right corner. Step 2: Navigate to your PowerPoint documents from the drop-down menu in the upper right corner of the “Open files” pop-up menu. How to Open PPTX on an Android smartphone / tablet with Chromes and Google Docs Chromes and Google Docs have an “Open file” option under the “More tools” menu How to Open PowerPoint Online with a Chrome OS laptop Open Google Drive from your PC or Mac Go to Chrome > Settings > Storage. Turn off “Create and manage folders”. Open the Google Drive app On the Google Drive home screen, scroll down to see your Drive files and folders. On the left side, click the gear icon to open the drop-down menu. Click on “Create Folders” Step 1: Under “Create folders or items”, type the path of the folder on your Android phone where you want to open your PPTX file. Click the blue button in the top right corner of the icon that appears and an app called PPTX Viewer will appear, and you will be prompted to provide the required details. When it's completed, you will see your PPT file listed in the drop-down menu on the left. Step 2: The app may ask you to restart your PC or Mac for the changes to take effect. If your PC doesn't have Google Drive turned on, follow steps 10 and 11 below Step 10. Go to Google Drive, and create a folder or items there.