Now that your resume is ready to go and represents you in the best possible way, what will you do with it?
You could print a bunch of copies and carry them around with you. We carry coffee and water, why not resumes? Most people want you to send your resume. They don’t want to carry it around any more than you do.
There was a time when people carried little USB sticks with their resume saved on them. That still works but not great in practical terms. I have seen the tupperware that gets left in our canteen and using that as a baseline, I don’t think many people can or will keep track of a tiny little memory chip.
How about your phone? That works until you lose it or it falls in the toilet or dies just when you need it.
The simplest thing is to email the various versions of your resume to your own personal (not work!) email address. Then when you need it, you can sift through your inbox and forward the attachment with a nice note.
If you want a more robust (but still free) solution, set up a cloud folder. Dropbox, OneDrive or iCloud all offer free places to store your stuff in the cloud. You can access if from any laptop or desktop or from your phone if you install the app.
This lets you save the various versions or the modifications you make along the way. You could even start a log of your resume sending activities for follow up later.
But that’s for another day. For now, just work on getting your resume ready and having it handy.