One factor that may encourage a move to Exchange Online is that companies can struggle with Enterprise Vault data increasing over time. The volume of data isn’t the problem – it’s the quantity of files. Enterprise Vault creates numerous small files, and the high quantity often makes backing up a slow process. The data generated is still sizeable, and with limited budget this becomes increasingly difficult to handle. With the availability of Cloud storage, the affordability, flexibility and scalability is much higher than that of on-premises storage options.