We have been using OneDrive for Enterprise for the past two years.

I've used OneDrive for about four or five years.

I have been using the solution for five years.

I would say I started using OneDrive in 2016 when it was considered as part of the Office 365 suite.  

I have been using Microsoft OneDrive for the past two years.

I have been using Microsoft OneDrive for approximately five years.

We have been using OneDrive for about six or seven months I would say.  

I have been using OneDrive probably ever since Microsoft came out with it. It must be at least 12 years. 

I have been using Microsoft OneDrive for two years.

It's been almost one year now since we started using it. We began using the solution when we got a subscription to Microsoft Office 365, as it was included as part of the package.

I've been dealing with the solution for the last two years now.

I have been using OneDrive for three years. 

We've been using this solution for a couple of years. 

I have been using Microsoft OneDrive for three to four years. 

I have been using Microsoft OneDrive for five years.