Browser
Formstack is fully web-based and hosted on our servers, so there's nothing to download or install. You can use Formstack on a Windows, Mac, or Linux computer as long as you're using a supported web browser and have an Internet connection. Below is a list of supported browsers as well as the minimum version that's required to run Formstack:
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Firefox - (Minimum Version 27 - 119) Recommended
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Google Chrome - (Minimum Version 29 - 118)
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Safari - (Minimum Version 7 - 17)
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Opera - (Minimum Version 16 - 103)
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Internet Explorer 9.0+ - Not supported by Formstack after December 14th 2021.
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To see more information on your browser version and how to update it if needed, please click here.
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Formstack requires a browser that is compatible with Transport Layer Security(TLS) 1.2. For a full list of which browser versions are compatible, you can find more information here .
Browser Settings
You must also have JavaScript and cookies enabled in your browser.
Instructions for enabling cookies:
Note: While Formstack will work with older browsers, we do recommend keeping your browser updated to the latest version for the best possible experience. As an example, you can download the latest version of Firefox here or use this article to find where you can update your current browser.
Mobile
Formstack forms also work on all smartphones and mobile browsers that support JavaScript. Our forms detect if a user is on a mobile device and display a mobile version of your form to them automatically.
Clearing Your Cache
From time to time, you may need to clear your cache when we make updates to the platform to make sure you are using the current version. Here are instructions to clear your cache on the particular browser you use:
Chrome:
• Go to chrome://chrome/settings/clearBrowserData
• Check “Empty the Cache”
• Choose “From the Beginning of time”
• Click “Clear Browsing Data”
Firefox on OSX:
• On the menu bar, click on the Firefox menu and select Preferences
• Select the Advanced panel
• Click on the Network tab
• In the Cached Web Content section, click “Clear Now”
• Close the Preferences window
Firefox on Windows:
• Go to Options (if you’re running recent versions of Firefox, you click the orange Firefox button, then go to options, and then options again)
• Click “Advanced”
• In the Cached Web Content Section, click Clear Now.
Safari on OSX:
• Click Safari
• Click Reset Safari
• Uncheck everything but “Remove All Website Data”
• Click Reset
Safari on Windows:
• Click the Cog on the right side of the search bar
• Click Reset Safari
• Uncheck everything but “Remove All Website Data”
• Click Reset
Opera:
• Click Opera
• Click Preferences
• Click Advanced
• Click History
• Click the “Empty Now” button in the same row as Disk cache