Microsoft expects customers to adopt the latest version of its Office productivity software at a faster rate than any previous version.
The prediction is based on the fact that the beta version of the software has been downloaded and tested by three times as many people as any previous version.
Office 2010 is to be released to business officially today (12 May) at an event in New York.
Microsoft also expects many users to upgrade to the latest version of Office at the same time they install Windows 7, which was released in October 2009.
The software firm is hoping Office 2010 will help reverse a sales slump and fend off competition from Google Docs, according to Bloomberg.
Microsoft's business division, which gets most of its revenue from Office, is expected to declare a 3% drop in sales for the fiscal year ending in June, according to some analyst estimates.
The division is, however, predicting a 12% increase from Office 2010 in the new fiscal year beginning 1 July.
But any boost from Office 2010 will depend on how fast businesses are able to ramp up technology spending in the wake of the economic recession, analysts said.
Some analysts have predicted that the recovery will be gradual rather than sudden, which could mean many businesses will continue to delay major software upgrades.
Office 2010 introduces simultaneous co-authoring and in-browser editing, fine tunes the office applications and improves usability with a customisable and more consistent ribbon interface.
But critics have said the new version is too costly and offers limited benefits where Sharepoint 2010 is not available.
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