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Backing up and restoring lost tabs

I often experience situations on Firefox where I lose all of my important tabs which I never end up getting back, despite having 'restore previous session' turned on. For… (læs mere)

I often experience situations on Firefox where I lose all of my important tabs which I never end up getting back, despite having 'restore previous session' turned on. For instance, it happens when a software forcefully opens a "Thank you for installing" site while Firefox wasn't running, or when I accidentally open a link in a new window while being on private mode, when I meant to open it in a new private window instead..

On a different browser I used before switching to Firefox, I used to resolve this by going to it's profile location and looking at two files named "Current Session" and "Last Session". I could just rename the "Last Session" file to "Current Session", and all of my tabs would return. I was hoping Firefox would have something similar, but it seems either impossible or maybe just a bit more complicated, since I cannot find anything regarding this on the web.

Each time this happens to me, I go to my Firefox profile folder but cannot really find anything regarding sessions I could replace and restore. Only thing I managed to back up from the various important tabs I lost were six files in a fashion like this:

recovery.jsonlz4, upgrade.jsonlz4-[a lot of numbers]

Can I use these files to recover my lost tabs somehow, similar to how I used to do it in the different browser? Hopefully I'm understandable, it's a bit complicated to explain for me.

Stillet af syuro for 1 time siden

Can't restore TABS from backup file

Before shutting down Firefox I deleted history/cache/passwords etc from the past day I do this all the time but since I had restore previous tabs selected they always ge… (læs mere)

Before shutting down Firefox I deleted history/cache/passwords etc from the past day

I do this all the time but since I had restore previous tabs selected they always get restored when I start up again

However this time they weren't restored when I restarted

Without closing Firefox I navigated to the sessionstore-backups folder to see what was there but the files were only 2KB - much too small for the number of tabs.

So I installed ShadowExplorer & Shadowcopyview to see if I could recover older versions I was able to locate jsonlz4 files from a few days ago that were around 11000KB in size so I assumed they would have most of my tabs

However when trying to use the files nothing happens - I tried 2 different steps that I read here had worked for others

1 - Renaming previous.jsonlz4 to sessionstore.jsonlz4 , moving to the profile folder (deleting the old one first) and restarting FF

2 - Deleting sessionstore.jsonlz4 and copying the recovered previous.jsonlz4 / recovery.baklz4 /recovery.jsonlz4 / upgrade.jsonlz4-20201014125134 files to the sessionstore-backups folder and restarting FF

I also repeated the steps after creating a separate profile

None of these worked so I tried examining the jsonlz4 files using https://www.jeffersonscher.com/res/scrounger.html but I got an error message 'Session history file contents could not be read?'

Now I've previously used recovered Jsonlz4 files to restore tabs with no issues but this time they won't work

I read here https://support.mozilla.org/bm/questions/1189759 that updates may cause compatibility issues and the upgrade.jsonlz4-20201014125134 file indicates they was a recent update

The recovered file sizes indicate they contain data so I want to know how I can recover it - if not through FF then through some other software

Stillet af darkwolf573 for 4 uger siden

Seneste svar af jscher2000 for 8 timer siden

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Right clicking a line is opening it in a new tab instead of showing me the normal context menu

I need to know how to get the browser back to its normal functionality. I cannot right click on pretty much anything without it opening something in a new tab. It's infur… (læs mere)

I need to know how to get the browser back to its normal functionality. I cannot right click on pretty much anything without it opening something in a new tab. It's infuriating and I can't find the answer on google. Does anyone have any solution? It breaks my workflow to the point where I am considering switching bowers. Have happily been using Firefox for 10 years without this problem. Reinstalling does nothing.

I think the real problem is that it opens the little context menu and then immediately clicks the first option. For example if I right-click a misspelled word it just fixes it automatically.

Stillet af richard.lluttrell for 13 timer siden

Besvaret af richard.lluttrell for 11 timer siden

Lost all windows after my pc randomly restarted!

I think it was update, my pc restarted. But it usually asks weird. I lost all windows and all tabs. Yet in library/history under restore windows, there is nothing! There … (læs mere)

I think it was update, my pc restarted. But it usually asks weird. I lost all windows and all tabs. Yet in library/history under restore windows, there is nothing! There was some json file, from which you could get tabs. I tried it last time and it didn't work. Also firefox wasn't even running at that time and previously i had all windows and tabs... Are you kidding me???

I lost like hundreds of important tabs.... Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa............

Stillet af tomas707 for 12 timer siden

  • Løst

Can't seem to recover my session

Hi, I always have dozens of tabs opened, if not hundreds. They have vanished. I’ve been trying to follow the topics on the matter, such as the one named ‘Session won't lo… (læs mere)

Hi,

I always have dozens of tabs opened, if not hundreds. They have vanished. I’ve been trying to follow the topics on the matter, such as the one named ‘Session won't load’ (questions/1254740), to no avail.

Finally, this time I remembered not to close Firefox when I saw my tabs where suddenly missing. I’ve never seen the ‘Restore the previous session’ on the Firefox menu, and neither did I this time. Without closing the browser, I did a backup of the ‘sessionstore-backups’ folder. It contains:

‘previous.jsonlz4’, from 22/11/2020 17:42 ‘recovery.baklz4’, from 22/11/2020 18:57 ‘recovery.jsonlz4’ from 22/11/2020 18:58 ‘upgrade.jsonlz4-20201027185343’ from 31/10/2020 13:42 ‘upgrade.jsonlz4-20201108180448’ from 10/11/2020 15:05 ‘upgrade.jsonlz4-20201112153044’ from 22/11/2020 10:34

The one I need is ‘previous.jsonlz4’, since by 18:57 I’ve already lost my tabs. From the update backups I think I could also use the one from 22/11. In any case, I don’t understand what I am doing wrong so as to recover the ‘previous.jsonlz4’. This is what I’ve tried from different threads on my profile folder:

The ‘-backup’ and ‘OLD’ changes belong to different attempts

- Rename (on ‘sessionstore-backups’ folder) ‘recovery.jsonlz4’ and ‘recovery.baklz4’ to ‘recovery-backup.jsonlz4’ and ‘recovery-backup.baklz4’, and also tried with ‘recoveryOLD.jsonlz4’ and ‘recoveryOLD.baklz4’ - Rename ‘sessionstore-backups’ folder to ‘sessionstore-backupsOLD’ - Rename (on the main profile folder) ‘sessionstore.jsonlz4’ file to‘sessionstore-backup.jsonlz4’, and also tried with ‘sessionstoreOLD.jsonlz4’ - Copy/paste the ‘previous.jsonlz4’ file into the main profile folder. - Rename ‘previous.jsonlz4’ to ‘sessionstore.jsonlz4’

Nothing has worked. Once followed the steps, Firefox keeps opening my startup page. Note that it does not restore my previous session (that is, some tabs regarding this same subject), but my startup page, which means my attempts are having some effect, although not the desired one. I do have the ‘Restore previous session’ checkmarked in ‘Setting/General/Startup.

I also tried to replace ‘recovery.baklz4’ (on ‘sessionstore-backups’ folder) with ‘previous.jsonlz4’, from 22/11/2020 17:42, hoping to be prompted with the ‘Well, this is embarrassing’ + ’Restore’ window. I had no success.

I’ve been trying to recover my tabs for hour by now and don’t find what I am doing wrong. Why does Firefox refuse to load my ‘previous.jsonlz4’ file? Am I missing something? Maybe ‘previous.jsonlz4’ is corrupted or something? Should I try to use the ‘upgrade.jsonlz4-20201112153044’ from 22/11/2020 10:34 file? (Although I would lose some information)

Some people talk about a ‘History > Restore Previous Session’. I cannot find anything similar.

Thank you very much

Stillet af delfion.815 for 3 dage siden

Besvaret af jscher2000 for 3 dage siden

tab bar scrolling

tabs keep scrolling to the left. actual one i want to see stays on the right but view keeps going back to the left. Same with option scrolling thing when i press ^ instea… (læs mere)

tabs keep scrolling to the left. actual one i want to see stays on the right but view keeps going back to the left. Same with option scrolling thing when i press ^ instead of showing options it just flicks and doesnt let me choose anything. help! its quite frustraiting

Stillet af e for 21 timer siden

Loss of tabs for no reason.

Four times now I lost all the tabs I had been saving in Firefox. No explanation, and no apparent way to recover them. Why does this happen? Is there a way to recover them… (læs mere)

Four times now I lost all the tabs I had been saving in Firefox. No explanation, and no apparent way to recover them. Why does this happen? Is there a way to recover them? I don't have this problem with other browsers. Very frustrating, because some are regularly used references. Some are hard to recall from scratch once they are suddenly gone.

Stillet af skyelight728 for 1 dag siden

Browser tabs -- how to stop the scrolling

These scrolling browser tabs are driving me nuts. Is there way to stop the scrolling? Is there a way to have more than one row. I found an addin but I really don't know … (læs mere)

These scrolling browser tabs are driving me nuts.

Is there way to stop the scrolling? Is there a way to have more than one row.

I found an addin but I really don't know how to use it.

Thanks.

Stillet af aj4value for 1 dag siden

Zoom level on a specific url

i have one url that everytime I click on the tab, or close it completely, and type it in again, it always opens up at 30% zoom. I can get rid of it easily by clicking on … (læs mere)

i have one url that everytime I click on the tab, or close it completely, and type it in again, it always opens up at 30% zoom.

I can get rid of it easily by clicking on the 30% in the url window but it is completely annoying.

I am not sure how i did it in the first place and i am wondering how to get rid of it, or at least change it so it doesnt come back.

Stillet af koolandrew for 2 dage siden

Seneste svar af koolandrew for 1 dag siden

tabs that get opened by clicking on link in email (Outlook.com), jump to the right over many other tabs

Hi dear Community Members, formerly when I opened a link in an email from my Outlook account, it opened in a Tab exactly next to it. But now it goes beyond several tabs w… (læs mere)

Hi dear Community Members, formerly when I opened a link in an email from my Outlook account, it opened in a Tab exactly next to it. But now it goes beyond several tabs which were already there. How can I get these links again opened in a Tab right next to it. That makes it easier to go from my email to that tab and back, I find.

Hope that I described this clear.

Thanx, Jan

Stillet af uitvenlo for 1 dag siden

Second tab of last session dissapeared

I'm not sure how, but sometimes when closing firefox with or without a restart of the pc, the second tab of my last session dissapeared. The first tab is my mail and stay… (læs mere)

I'm not sure how, but sometimes when closing firefox with or without a restart of the pc, the second tab of my last session dissapeared. The first tab is my mail and stays, but the second tab is sometimes missing. If I close now the browser and start the browser again, the second tab is still there, but today I didn't restart the pc but firefox was closed for a while, I am missing the second tab. The second tab I have now, was the third tab before.

I'm running Windows 10 (Version 2004) and firefox 83.0 (64-bit) and have 157tabs open at the moment.

Stillet af wouter_berg for 2 dage siden

Restore open tabs due to loss of power - MacBook Pro

Firefox unexpectedly quit, open tabs lost when MacBook Pro's charge died. After charging, did restart since Menu button to access History was missing (only menu bar visi… (læs mere)

Firefox unexpectedly quit, open tabs lost when MacBook Pro's charge died. After charging, did restart since Menu button to access History was missing (only menu bar visible). It returned, but unable to restore closed tabs (as I've done in the past) - History shows it to be "empty." I've spent hours searching Mozilla Support...can anyone please help? These 8-10 tabs must be somewhere!

Stillet af DriskillMoody for 3 dage siden

Seneste svar af Shivarama for 3 dage siden

restore previous session missing from menu

My previous session didn't automatically reopen when I restarted firefox. When I went to the help section, it told me to click "restore previous session" from the menu, b… (læs mere)

My previous session didn't automatically reopen when I restarted firefox. When I went to the help section, it told me to click "restore previous session" from the menu, but I don't have that on my menu. The example shows it after "new private window", but my menu has "zoom" in that spot. I noticed that the "sync" isn't at the top of my menu either. I had this problem once before, but it was long ago, and I don't remember the solution. Hope that I'm describing my problem well enough. Frustrating for a senior, trying to stay safe.

Stillet af tvky711 for 3 dage siden

Seneste svar af tvky711 for 3 dage siden

Prefer service worker on new tab open

I'm trying to use a custom start page on new tabs opening (not happy that I have to use an extension for such basic functionality btw) but my service worker does not seem… (læs mere)

I'm trying to use a custom start page on new tabs opening (not happy that I have to use an extension for such basic functionality btw) but my service worker does not seem to activate or used when opening. Opening a new tab takes multiple seconds.

Navigating to the site (I have my start page hosted on AWS) on an existing tab is instantaneous, as is refreshing this page once the tab is loaded. So what gives? As far as I can tell Firefox doesn't install service workers on a per-tab basis, so there should be no issue here.

Stillet af devildude4427 for 4 dage siden

Seneste svar af jscher2000 for 4 dage siden

facebook container not working!

In the plugin "facebook Container" I have made a new "tab category" called "social media" with a blue sign. The problem is that firefox continues to open FB in the old ca… (læs mere)

In the plugin "facebook Container" I have made a new "tab category" called "social media" with a blue sign. The problem is that firefox continues to open FB in the old category even if I delete it, which is also very hard to do as I have to close all my FB-tabs to be able to delete it in the options tab. Next time I use firefox or a few days later firefox has again undeleted the old FB category and again opens my FB tabs in black tabs instead of my new blue tabs. I can´t use my own new tab category as long as the old one is there and it keeps comming back after I delete it. Very annoying to say the least! Please fix this error as soon as posible, thank you.

Stillet af DeathToSiliconValleySocialMediaBigTechCompanies for 4 dage siden

Seneste svar af cor-el for 4 dage siden

closing popup last - broken restore previous session

When i close my "main" Firefox window and after that the opened popups, this breaks my "restore previous session" setting. this is not the first time because sometime i … (læs mere)

When i close my "main" Firefox window and after that the opened popups, this breaks my "restore previous session" setting.

this is not the first time because sometime i forget to close the popups first...

Stillet af philipp.ewald for 6 dage siden

Seneste svar af cor-el for 6 dage siden

alphabetically sort multiple firefox windows in taskbar - win 10

I frequently do a lot of diverse research, and try to maintain a strict subject matter thread in each open window. As a result, I have 150+ windows open, each with a num… (læs mere)

I frequently do a lot of diverse research, and try to maintain a strict subject matter thread in each open window. As a result, I have 150+ windows open, each with a number of tabs. Even with the win 10 bottom taskbar expanded all the way, it is difficult to find a particular window, as they are all randomly displayed. Is there a way to alphabetically sort the open Firefox windows shown in the win 10 taskbar? Would this be a Firefox function, or is it a Windows function? Any assistance would be appreciated!

Stillet af btsam for 1 uge siden

Seneste svar af btsam for 6 dage siden