How to Convert Excel to PDF Using PPTX Viewer This is the same program that you can use with LibreOffice and is one of the best ways to convert your Excel to PDF. The process, however, is very similar for PowerPoint or any of your other programs. The only difference is that you need to upload your Excel file to PPTX as a PPTX file, so it can be converted and viewed. How Do I Convert Excel to PDF With a PPTX Viewer For LibreOffice You can download PPTX Viewer free of cost from Microsoft. Open the downloaded file or click open. Click on the icon on the top right of your screen. Go to File > Saves. Click on the Save as type PDF under File type. Download & install PPTX Viewer from Microsoft. Open up your Excel file or PowerPoint. Click on the icon on top right of the screen. Click on File > Save As. Click as PPTX file or save into your Documents folder, or the Downloads folder. Note: Some office programs (like Excel, Microsoft Office or PowerPoint) only allow you to edit or view saved Excel or Office files. You can always save a file into a file format other than Excel or PowerPoint. Adobe Reader is a very useful program with many options. It can read and write PowerPoint, Excel, Word and Publisher files. It is available for many operating systems and is easy to find through the search box. How to Save an Excel File as Microsoft Office File with Microsoft Reader Open Microsoft Reader then browse to the Excel spreadsheet. You can change the file name of the file you want to save to with a simple click on the Save button. The files will be saved back to the same place you created them. To view Excel spreadsheet, right-click on the Excel spreadsheet and click Open. How To Convert Excel to PPTX for Google Drive You can convert any Microsoft Excel or PowerPoint file into Google Docs or Sheets by following the steps below. Step 1: Launch Microsoft Reader. Step 2: Go to the Excel spreadsheet/document you want to convert then right-click on the spreadsheet and click the button on top right. Step 3: Click the tab “File type” Step 4: Choose File type as PPTX Step 5: Close MS Office.