Select Share on the ribbon. Or, select File > Share. Note: If your file is not already saved to OneDrive, you'll be prompted to upload your file to OneDrive to share it. Select who you want to share with from the drop-down, or enter a name or email address. Add a message (optional) and select Send. Next: Set up your Excel mobile app. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.