Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

The "Do this automatically for files like this from now on" option is always unavailable

more options

Please, can anyone in the world tell me, how to add and edit mime types??? I want to download files without any confirmations. Why is the "Do this automatically for files like this from now on" option always unavailable???

This happened

Every time Firefox opened

== I want to download certain files

Please, can anyone in the world tell me, how to add and edit mime types??? I want to download files without any confirmations. Why is the "Do this automatically for files like this from now on" option always unavailable??? == This happened == Every time Firefox opened == I want to download certain files

All Replies (1)

more options

Screenshot: