Application Hosting Explained: Run the Windows Software You Already Own

Application hosting means running a specific Windows application on a managed cloud server that you reach from any device, instead of installing it on the computer in front of you. The software you already own, QuickBooks, Act!, QuoteWerks, Sage, or a line-of-business app you have used for years, runs in a data center, and you work in it remotely as if it were on your own machine. No server in your office, no reinstalling on every device, and no switching to a different product. This explains what application hosting is, how it differs from a full virtual desktop, and where it fits.

What is application hosting?

A hosting provider installs your Windows application on a cloud server and publishes it to you over the internet. You open it from a small connection app or a browser, and the program appears in a window on your screen, behaving like any other application, while the actual work happens on the server. Your data lives there too, backed up and secured, rather than on a local hard drive. The practical effect is that a program built to run on a Windows PC becomes something your whole team can reach from a laptop, a tablet, or an aging office desktop, without any of them needing to be powerful or even to run Windows. You keep the licensed software and the way you use it; hosting only changes where it runs.

Application hosting vs a full virtual desktop

These two get used interchangeably, but they are different deliveries of the same idea. Microsoft, whose Azure platform underpins a lot of hosting, describes both as options: deliver a full desktop, or publish individual applications. The difference is how much of Windows you get.

Neither is better in the abstract; they suit different needs. A sales rep who only lives in QuoteWerks might be happiest with that one app published to them. A bookkeeper juggling QuickBooks, Excel, and a few tools is usually better served by a full desktop. We walk through the desktop side in our plain-English guide to virtual desktop hosting.

What application hosting is good for

The clearest case is software you already own and do not want to give up. Plenty of capable Windows programs have no real cloud version, or have one that is lighter than the desktop original, and replacing them would mean losing features, retraining staff, and migrating data. Hosting sidesteps all of that. It also suits a team that is no longer in one place, since the same published app reaches the office, home, and the road. It retires the office server, because the software runs in the data center instead of on a box you maintain. And it gives aging PCs a second life as access points, since the hard work happens on the server rather than the local machine. For a business whose reason for looking at the cloud is simply “we need this Windows program available from anywhere,” application hosting is often the most direct answer. Because it is priced per user, it also scales by adding people rather than buying and maintaining more hardware as you grow.

What application hosting isn’t

Being straight about the limits saves disappointment. Application hosting runs Windows desktop software; it does not turn a web-only or Mac-only program into something it can host, and it does not rewrite or modernize your application. The program behaves exactly as it does locally, which is usually the point, but it means hosting inherits whatever the software already is. It is also not a reason to keep already-obsolete software alive forever. If a program has reached the end of its life and a better product fits how you work, hosting the old one only postpones the decision. Where hosting shines is with capable, current software that happens to run on Windows and that you would rather keep than replace.

Where CloudTop Office fits

CloudTop Office provides application and virtual desktop hosting for small and medium businesses, with a focus on the accounting and sales software firms actually run, QuickBooks, Sage, QuoteWerks, and Act!, delivered on Microsoft Azure in U.S. regions with managed daily backups, multi-factor authentication, encryption, and 24/7 U.S.-based support. Our Virtual Server page shows how the hosting is set up. If your needs run past that named-app stack into broader vertical or legacy line-of-business software, our sister brand CloudTop SaaS hosts virtually any Windows application and offers white-label hosting for software vendors.

Application hosting questions