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It not office 365 which is slow, check your network bandwidth.<br />
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Apart from Office for Mac 2011 on which you are facing slowness, try to configure the same user mailbox on an Outlook 2010,2013 or 2016 &nbsp;test machine and check the behavior.
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It not office 365 which is slow, check your network bandwidth.

Apart from Office for Mac 2011 on which you are facing slowness, try to configure the same user mailbox on an Outlook 2010,2013 or 2016  test machine and check the behavior.

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Thanks, Saif — bit I’m not imagining things. <br />
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I have both Microsoft Office for Mac 2011, and Microsoft Office 365 running the latest version of Excel — running on the same Mac, with the same internet “connection.”<br />
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Office 365 is not supposed to need an Internet connection after the initial download and installation, and is supposed to act like a standalone program — yet it is far slower than Office for Mac 2011.
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Thanks, Saif — bit I’m not imagining things.

I have both Microsoft Office for Mac 2011, and Microsoft Office 365 running the latest version of Excel — running on the same Mac, with the same internet “connection.”

Office 365 is not supposed to need an Internet connection after the initial download and installation, and is supposed to act like a standalone program — yet it is far slower than Office for Mac 2011.

Owner

Cactus1993

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Why is Office 365 SO slow, compared to what I've been using up until now -- Office for Mac 2011?
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Why is Office 365 SO slow, compared to what I've been using up until now -- Office for Mac 2011?

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.

Microsoft Office

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.