Google Docs lets you convert Word, PowerPoint or Excel documents into PDF formats. Google Docs is the most popular and well-known online documentation platform.

How to Convert Excel Documents to Microsoft Access. You use Office Excel 2010, the spreadsheet software from Microsoft, to create complex documents that can contain tables.

You can convert OpenOffice.org text documents to Excel with the text import tool. Save the text document with the .txt file extension, open it in Excel and save it as an Excel spreadsheet.

Choose a reliable online converter: Some popular options include CoolUtils and Adobe Acrobat online services. Upload your spreadsheet file: Visit the converter’s website and upload your Excel file.