In the world of business productivity software, there are two main options available to companies: Office 365 and on-premises software. Office 365 is a cloud-based suite of applications offered by Microsoft, while on-premises software is installed and maintained on the company’s own servers. Both options have their own advantages and disadvantages, and in this article, we will explore the differences between them.
Office 365:
Office 365 is a cloud-based software solution that provides a range of productivity applications, including Word, Excel, PowerPoint, Outlook, Teams, and more. It offers a subscription-based service model that allows businesses to access Microsoft's software and services in the cloud. Office 365 has become increasingly popular with businesses of all sizes due to its numerous benefits.
Accessibility: One of the biggest advantages of Office 365 is its accessibility. Users can access their files and applications from anywhere with an internet connection, making it a great option for remote teams. This means that employees can work from anywhere, anytime, as long as they have an internet connection. The software can be accessed from any device, including smartphones, tablets, laptops, and desktops.
Scalability: Office 365 is scalable, meaning it can grow as your business grows. If your company needs more users, you can simply add them to your subscription. This means that you don't need to worry about installing new software or buying new hardware as your business grows.
Automatic updates: Office 365 is constantly updated with new features and security patches, meaning users always have access to the latest version of the software. This ensures that businesses are always up-to-date with the latest features and functionality.
Collaboration: Office 365 makes it easy for teams to collaborate on projects, with tools like Teams, SharePoint, and OneDrive. Teams allows teams to collaborate in real-time, while SharePoint provides a platform for sharing and storing files. OneDrive allows users to store files in the cloud and access them from any device.
Disadvantages of Office 365:
Internet dependency: To use Office 365, you need an internet connection. If your internet goes down, you won't be able to access your files or applications. This can be a major issue for businesses that need access to their files and applications at all times.
Cost: While Office 365 is subscription-based, the cost can add up over time, especially for larger organizations. The cost is based on the number of users, and the monthly or yearly fees can become expensive over time.
Limited customization: While Office 365 offers a range of applications and features, it can be difficult to customize the software to meet the specific needs of your organization. This can limit the functionality of the software and force businesses to work around the limitations of the software.
On-premises software:
On-premises software is software that is installed and maintained on your company’s own servers. Examples include Microsoft Office, which can be installed on individual computers or on a server for network-wide access.
Advantages of on-premises software:
Control: With on-premises software, you have complete control over your data and applications. You don't have to rely on a third-party provider to maintain your software or store your data. This gives businesses complete control over their data and applications.
Customization: On-premises software can be customized to meet the specific needs of your organization, giving you more flexibility than cloud-based solutions. This means that businesses can tailor the software to their specific needs, which can be more efficient and effective.
Cost: While on-premises software requires an upfront investment, it can be more cost-effective in the long run, especially for larger organizations. The software can be purchased outright, and there are no recurring monthly or yearly fees.
Disadvantages of on-premises software:
Maintenance: On-premises software requires regular maintenance and updates, which can be time-consuming and costly. Businesses need to have dedicated IT staff to maintain the software and ensure that it is up-to-date and secure.
Accessibility: On-premises software is only accessible from the devices that have the software installed, making it less flexible than cloud-based solutions. This means that employees can only access the software from the devices that have the software installed, which can limit their ability to work remotely.
Scalability: On-premises software can be less scalable than cloud-based solutions. If your business grows and needs more users, you may need to purchase additional licenses or hardware to accommodate the additional users. This can be expensive and time-consuming.
Security: On-premises software is often perceived as being more secure than cloud-based solutions, but this is not always the case. On-premises software requires businesses to maintain their own security measures, which can be a challenge for small and mid-sized businesses with limited resources.
Which one should you choose?
Choosing between Office 365 and on-premises software depends on the specific needs of your organization. Here are a few factors to consider:
- Accessibility: If your business requires employees to work remotely or from multiple locations, Office 365 may be a better option.
- Customization: If your business has specific needs that cannot be met by cloud-based solutions, on-premises software may be a better option.
- Control: If your business requires complete control over its data and applications, on-premises software may be a better option.
- Cost: If your business is on a tight budget and needs a cost-effective solution, on-premises software may be a better option in the long run.
Overall, both Office 365 and on-premises software have their advantages and disadvantages. It's important to carefully consider your organization's needs before making a decision.

