Gmail has recently added a handy feature that lets you open and edit Office files without having to use Excel, Word, or PowerPoint.
I’ve sent myself an email with attached sample files of each of those three Office apps:
You can hover your cursor over each of the attached files and then over the “edit pencil” to see what Gmail is now offering:
Clicking each of those Edit icons launches Google Sheets, Docs, and Slides, respectively:
Launching any of those Google apps puts a copy of your file in Google Drive, by the way:
You can access them again in the future without going back to the email to which they were attached, or if you do go back to the email, you’re offered the choice to either create another copy of the original or open the one that was added to Drive:
And once you’ve finished editing any of these files, they can be converted (via Download) back into their original Excel, Word, or PowerPoint formats: