The back-up process should have given you a ZIP file. Post that here using:
More > Upload file
If it is bigger than 5Mb then you will need to upload it somewhere else (Dropbox, GoogleDrive, etc) and post a link to it. (Other topics in this area will give you a model to follow.)
Volunteer Helper - but recommending that users move off the platform!
Once the admin for GregHelp now deleted.