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How long could Firefox browsing history be kept on the cloud, attached to the Firefox Account?

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Firefox browsing history could be store locally for 2 months, as specified ( https://support.mozilla.org/en-US/questions/1172337 ).

It specifies that "When it comes to Sync then things are different: Synced history expires in 60 days (2 months) and synced tabs expire in 7 days and have a maximum payload (20-28 kb: long URLs have effect). ".

However, I could still see the browsing history, 6 months ago, across all of my devices having my Firefox Account logged in.

Just wondering how long exactly the could history could be kept.

Thank you! :-)

Firefox browsing history could be store locally for 2 months, as specified ( https://support.mozilla.org/en-US/questions/1172337 ). It specifies that "When it comes to Sync then things are different: Synced history expires in 60 days (2 months) and synced tabs expire in 7 days and have a maximum payload (20-28 kb: long URLs have effect). ". However, I could still see the browsing history, 6 months ago, across all of my devices having my Firefox Account logged in. Just wondering how long exactly the could history could be kept. Thank you! :-)

Modified by aaroncz

Chosen solution

Once synced, you may be keeping this history. I've never used Sync to sync history.

There are some constants defined that you can see in the source code.

HISTORY_TTL: 5184000; // 60 days THIRTY_DAYS_IN_MS: 2592000000; // 30 days MAX_HISTORY_UPLOAD: 5000 MAX_HISTORY_DOWNLOAD: 5000

See:

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  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

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WestEnd
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61 solutions 5340 answers

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Here's more read on that question. https://www.reddit.com/r/firefox/comments/3gbm7m/how_long_does_firefox_keep_history/
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cor-el
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17346 solutions 156782 answers

Chosen Solution

Once synced, you may be keeping this history. I've never used Sync to sync history.

There are some constants defined that you can see in the source code.

HISTORY_TTL: 5184000; // 60 days THIRTY_DAYS_IN_MS: 2592000000; // 30 days MAX_HISTORY_UPLOAD: 5000 MAX_HISTORY_DOWNLOAD: 5000

See:

Once synced, you may be keeping this history. I've never used Sync to sync history. There are some constants defined that you can see in the source code. HISTORY_TTL: 5184000; // 60 days THIRTY_DAYS_IN_MS: 2592000000; // 30 days MAX_HISTORY_UPLOAD: 5000 MAX_HISTORY_DOWNLOAD: 5000 See: *https://dxr.mozilla.org/mozilla-release/source/services/sync/modules/engines/history.js *https://dxr.mozilla.org/mozilla-release/source/services/sync/modules/constants.js
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