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How to enable default spell checking in Firefox 35?

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I am using Firefox 35. Somehow default spell checking got turned off, and I want to turn it back on permanently. I can turn it on for a single text box by right-clicking and choosing "Check Spelling" but that setting does not endure.

Update: The answer is Tools >> Options >> Advanced >> General >> Check my spelling as I Type

https://support.mozilla.org/en-US/kb/how-do-i-use-firefox-spell-checker

I am using Firefox 35. Somehow default spell checking got turned off, and I want to turn it back on permanently. I can turn it on for a single text box by right-clicking and choosing "Check Spelling" but that setting does not endure. Update: The answer is Tools >> Options >> Advanced >> General >> Check my spelling as I Type https://support.mozilla.org/en-US/kb/how-do-i-use-firefox-spell-checker

Modified by Rich Pasco

Chosen solution

see this goto Option>Advance>General see screen shot now tik on it

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Chosen Solution

see this goto Option>Advance>General see screen shot now tik on it