Microsoft Works uses the file extension XLR for spreadsheets. Spreadsheet files are usually too large to send via email. Therefore, they need to be converted to a small file format. PDF (Portable Document Format) files are small and easy to transmit. There are two ways to convert XLR files to PDF files. The easiest way to convert XLR files is to use the native application. In this case it is Microsoft Works. If the application that created the XLR file is not installed on the computer, then a third-party file converter application will be necessary. Or: Tips Warnings Writer Bio
