Use a supported web browser to utilize Bill.com. We strongly recommend using the latest version of one of the following browsers:
- Google Chrome
- Microsoft Edge
- Mozilla Firefox
Using an older version of a supported browser or an unsupported browser may cause Bill.com not to work as designed. The ability to continue using our service may be available, but the speed and performance will be impacted.
For mobile devices, Bill.com offers native apps for iOS and Android. Alternatively, log in to Bill.com using the web browser on any mobile device, but we cannot guarantee the quality of performance on all mobile devices or browsers equally.
Note: While you are able to use Bill.com on Internet Explorer, it is not an optimized experience. For a better experience, use Microsoft Edge.
If you get an untrusted session error when you are adding a bank, or requesting a multi-factor authentication(MFA)/2-step verification code:
- Log out of Bill.com
- Clear your browser's cookies/cache
- Use Chrome as your browser if at all possible
- Log back into Bill.com
If you continue getting the error, please contact Customer Support by clicking Contact Us at the top of this page.