Join us for our annual Crushing Hunger & Hard Drives Cookout!

Join us for the 3rd annual Crushing Hunger & Hard Drives Cookout! What: Help Open Tier Systems kick off summer with a cookout for a cause! We’re collecting food & monetary donations for local children in need of food while…(read more)

Hosted (Office 365) vs. Internal Servers

Small and medium sized businesses have plenty of options these days when it comes to their IT needs, whether it’s how they store their files, manage their documents, access applications, internally communicate, and even send emails. One of the decisions…(read more)

Now accepting online credit card payments

Need to make a payment? We now accept credit card payments here on our website! Head on over to our credit card payment page, pop in your credit card info bits, hit pay now, and clear that invoice off your plate!…(read more)

Community Event: Tailgates Tackle Hunger Fall Food Drive

Join Tailgates Tackle Hunger to help feed formerly homeless and low-income families this holiday season! TTH’s 3rd Annual Holiday Food Drive has a goal of collecting 300 lbs of non-perishable goods  to be donated to Project HOME,  a non-profit organization in Philadelphia…(read more)

Set up your Office 365 mailbox in Outlook

Microsoft was kind enough to provide detailed instructions: Set up your Office 365 mailbox in Outlook

Setting up Office 365 email on mobile

Rather than reinvent the wheel, here are the links to Microsoft documentation to setup the email account on your devices. These setup instructions make the assumption that the “Autodiscover” DNS records are setup for your Office 365 deployment. Android Devices…(read more)

Installing Office via Office 365 Subscription

This process installs Office 2016, it also uninstalls all Office 2013 products. Sign in to Office 365 at If you don’t see Office listed, your plan probably doesn’t include Office applications. If you know your plan includes Office, you…(read more)

Passwords not sync’ing with Azure AD Connect

Recently while performing a migration from a local Exchange server to Office 365, we had setup the new Azure AD Connect on a Windows 2012 domain controller. Everything looked OK on the surface as the Office 365 Admin portal reported…(read more)

Amazon Workspace Download and Setup Instructions for Windows

Nothing crazy here folks, just a straightforward download and install on Windows:  Visit the client download page  and select clicking “Download ” under the “Windows” icon. . Click “Save” after choosing the folder to save the installer in (most likely the “Downloads”…(read more)

Named 48th Fastest Growing Company by Philadelphia 100

Towards the end of 2014, we were surprised (and thrilled) to learn that Open Tier Systems was named as the 48th fastest growing company in the Philadelphia region! This news was very exciting, since Open Tier Systems is for the…(read more)