Microsoft Corporation (NASDAQ:MSFT) Outlook, the email service from the software giant crashed on Tuesday leaving no option for the executives, but to send work related messages to the colleague on phones. A Microsoft Outlook user Kevin Watson, who owns a political consulting firm in San Clemente California, told The Washington Post that the email service was not working for more than half of the day resuming only by afternoon.

Microsoft Outlook

“I’ve been picking up the phone and calling my most important clients,” he said. “You can’t stop because there’s no e-mail.” He was concerned that his clients might be waiting for his response.

Issue resolved eventually

Microsoft Corporation (NASDAQ:MSFT) accepted that there was an Outlook outage, but denied to share any details about the intensity of the problem. At around 6 pm, the company said that the problem has been fixed and users will be able to view undelivered messages in their inboxes. Only North American Outlook users faced the issue according to Microsoft. The company released a statement apologizing for the inconvenience caused to the users.

Frustrated users took to Twitter to voice their angst against the Microsoft Corporation (NASDAQ:MSFT) service.

“Dear @Microsoft: So, exactly how does your cloud computing and Office 365 email is down all day help work productivity? I’m confused,” tweeted Scott Leadingham around 11:15 a.m.

Microsoft Corporation (NASDAQ:MSFT)’s Twitter account for Office 365 received numerous messages from the infuriated users demanding a response from the company. Microsoft assured the users that the problem will be fixed very soon.

Business users vital for Microsoft

Businesses are increasingly dependent upon the Microsoft Corporation (NASDAQ:MSFT) Outlook, which aims at offering services to 50 million employees using the cloud based office products. Around 60% of the Microsoft’s global revenue comes from the business users. Email has been an inseparable part of Businesses since early 1990. A study from McKinsey Global Institute reported that by 2012, an average American worker spends 28% of the day responding or drafting e-mails.

Microsoft Corporation (NASDAQ:MSFT) is trying to position itself as a company that can offer better software suits like Office 365 to assist clients in sharing the documents and messages over the internet. The recent outage endangered the company’s core business product. Office 365 has added new online features to compete against the Google Docs Suite of online products.