Browser Support/Compatibility
ACS.org runs on most current web browsers and operating systems. The information on this page will help to optimize your experience when viewing content throughout the site.
From Your Laptop/Desktop
For the best experience, we recommend using one of these browsers:
- Internet Explorer 11 or Microsoft Edge
- Ensure that compatibility mode is turned off.
- Please note that Microsoft stopped supporting all IE browsers except for IE 11 and Microsoft Edge in January 2016. It is no longer providing security updates for old browsers (IE 8, 9, and 10) and is no longer supporting compatibility fixes those browsers.
- Mozilla Firefox (latest version)
- Safari (latest version)
- Chrome (latest version)
If the browser you use is not one of the ones we've listed, you may encounter some display problems while accessing ACS.org.
Are you using IE 11 and experiencing difficulties with the site?
You may need to turn off Compatibility Mode in your settings. Here’s how:
1. Go to "Compatibility View settings" in your browser.

2. Make sure ACS.org is NOT listed under “Websites you’ve added to Compatibility View”.
- If you see ACS.org listed, highlight it and select “Remove”.
3. Verify that the two boxes at the bottom of the page (“Display intranet sites in Compatibility View” and “Use Microsoft compatibility lists”) are not checked.
- If they are checked, uncheck them.
4. The box should look like the following image. When it does, select “Close”.

Mobile Devices
We regularly test the site on a variety of mobile devices, including tablets, iPhones, Android devices, etc. Wherever possible, efforts have been made to ensure that key content and functionality are accessible.
Problems/Concerns?
If you are having trouble viewing content on the site, email us!