You may not realise, but if you have a single user licence, any reports and layouts you tailor are stored with the Sage software on your C: drive and you can't change this.
If you select Reports and Layouts on your Sage Backups, Sage will store all reports including the tailored ones, in your backup location (ideally somewhere that's backed up to the cloud or another device). This is good, although it's very much a restore all solution and quite a lot of work at Explorer level would be needed just to restore one particular report and keep all the others as they are.
If you lose your C: drive, your investment in tailoring is lost also, and you can only restore all the reports and/or layouts (not specific ones) from a Sage backup.
Now, where you store the data (the transactions themselves) can be changed; you can't change where reports and layouts are stored.
If the reports and layouts could be stored in the same area as the Data, then all the non-Sage stuff (transactions, reports and layouts - your substantial investment in time and effort) could be stored on a Onedrive (or similar) and full version history would be available at individual report or layout level.
Multi-user licences get this capability as standard. I can't se any justification for this arbitrary restriction. It's surely a simple job to remove this restriction - after all the capability has been built and we smaller customers are being forced to adopt complex workarounds for no real reason.