You can put the extension into this websites search field; it will provide information related to it, including how to open them. Source: almost 2 years ago

If you are unsure which application will open the extension you can search for the extension here and read the section titled "programs that open ... files". Source: over 2 years ago

More stitching opportunities are now open!! As a brief explanation - we would like to start some new projects to stitch raffle prizes as an incentive for people to make charity donations. There are websites that allow you to redeem a reward while making a charity donation, such as tiltify.com, and we can offer a chance to win framed cross-stitches or patches as a reward. If we stitch a bunch of prizes, then we can... Source: about 2 years ago

This may help. Not sure https://tiltify.com/. Source: over 2 years ago

The most widely used platform for charities to work with streamers is almost certainly https://tiltify.com. Source: almost 3 years ago

For those wondering, Ame said the charity is for the Best Friends No Kill Human Society. Here's where she talks about what the charity does on stream. She will be accepting donations through Tiltify. Link for more info on the Best Friends Animal Society. Source: about 3 years ago

Finally, I'm surprised that a post on Global Accessibility Awareness day doesn't include information on charities such as Able Gamers and SpecialEffect. Both charities are available on Tiltify if anyone were looking to do a charity stream for them. Source: about 3 years ago