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For the last two days, every time I start Thunderbird, a pop-up requests me to log in into Google Calendar. I have followed what little advice I can find:

• Unsubscribed/deleted all calendars
• Deleted all Gmail Accounts
• Deleted all saved passwords, and re-entered them only for my current email accounts.

How do I get rid of this irritating and unnecessary pop-up? I have updated to v128.14 but the problem persists.

Thanks in advance.

John

Not sure how it happened but I've suddenly lost access to my Google calendar. On the bar on the left side of my calendar display screen there is a list of two calendars, Home and my email address, which I think is a Google calendar. Even though I check "Show all calendars" it does not show my email address calendar. And if I click on only to show my email address calendar it shows nothing at all. On my Pixel cell phone I can still see both the Home calendar and the Google calendar, so I guessing Thunderbird has just lost the link, although it shows a googleapi address when I click on properties. When I accept a Zoom calendar listing it has always and still shows up on the Home calendar. This seems most mysterious. Anyone have an idea of what I should do? Is there anyway I can rebuild the link to the Google calendar?

I don't know what to do when February 29 is in my calendar, 2026 is not a leap year. I've found nothing to help me. I have the latest version if Thunderbird. Thanks

Updated to 148.0 this morning and now none of my google calendars are population the calendar. I am clueless as to why. Tried deleting them and re-adding them in - Not working. If this can't be fixed I am done with Thunderbird. Kind of sick of everything breaking with updates with no warnings.

I have several different local calendars set up in my Thunderbird. I want to unsubscribe to a specific one. When I select "Unsubscribe from Selected Calendar" from the Events and Tasks drop down, the Calendar selected is not the one I want to subscribe from. How do I select the Calendar I want to unsubscribe from prior to selecting that menu option. I have searched through the forums and have found references to opening a Calendar tab and right clicking on the left pane to select a Calendar. When I right click on the Calendar tab, I just get the options to Open in New tab or close the current tab. I'm not understanding something and I'd appreciate any clarification on this step. I am including a screen shot that shows the Unsubscribe screen. The calendar that is selected is my Google calendar, but I don't want to unsubscribe from Google. I want to unsubscribe from a duplicate local calendar. How do I do that?

 Thanks!

Hello, i want to integrate my dates from a Google Calendar on my smart phone (Samsung) in the calendar from Thunderbird (Version 147.0.2 64 Bit). Is it possible an how to do it? Greetings from Horst

I am new to Thunderbird and have my non outlook email account added and set up. During install I failed to add the calendar associated with the email.

How can I add this email calendar now?

Thank you. Brucebold text

I'm a retired IT Tech and supported MS Outlook with Exchange for years. Lately I've tired of the constant bickering between Google and MS that just seem to make using Outlook at home difficult. I've been working on Migrating from MS Outlook to Thunderbird v147.0.1. I had a large PST file with Saved Items and it's been a struggle to process all that but finally got connected to Gmail, converted/imported the PST items and then began working on Calendar. Finally got all that working and I'm now having trouble getting Google Tasks connected to Thunderbird. Google doesn't seem to be exposing the Tasks feed via CalDAV. Has anyone run into this before and does anyone have any suggestions to resolve? Thanks.

I have ended up with five different calendars. They all have different names--probably because I really don't understand how Thunderbird organizes things in regard to the rest of the internet. Several people in our household share calendars, to keep track of events, tasks due, and medications.

So how do I consolidate all the entries in all of these calendars? I have tried syncing, but that doesn't seem to work. How can I know that when I enter a soccer schedule on (one of) my calendars, it will end up on the calendar that my wife uses to print out our family weekly schedule?

Hi, I am trying to export a calendar from a Windows 10 PC into a Lubuntu PC. The exported Home.ics file is about 217KB. At stage 4 in the import process (which shows the file name correctly) a message in red says "No importable items found in the file" . In the main area it says "Loading items" but nothing happens. Am I missing something here? Thanks

In earlier versions, the calendar list button appeared in the left sidebar, so I could decide which calendars to display and change the default color. But I can't find this now. How can I change an existing calendar?

Hi There,

It would be helpful if I could print out (hard copy) various options (day/week/month etc) from my Thunderbird Calendar.

I can't see any facility to print our these views.

Is there a print function within Calendar?

Thanks

Jamie

Hi, my Thunderbird calendar reminders are coming up 4 hours after the meeting.

Running Kubuntu. System locale/timezone OK, TBird set to use system time (though manually making it the same didn't help). HW Clock matches system time. Pacific/Auckland.

Tried exporting all my appointments and re-importing them - no change.

Hello community!

I use Thunderbird desktop for two emails: personal outlook.com (ms365 or whatever ma calls it) and school exchange account.

Exchange works fine using owl and is able to sync calendar correctly. For personal email, it appears I can only connect via imap instead of MS’s protocol, which limits its ability to sync calendar. I’m wondering if there’s a way to login personal ms email similar to exchange to sync calendar etc.?

Thx in advance for ur help :-)

I am running Thunderbird 141 on Windows 11. When I open the task tab, it says: "Please select a calendar that supports tasks". I have tasks on two gmail accounts. But it wont let me select either of them (or my other account).

How can I set the calendar to completely show on the screen - currently in Full Screen mode half of Sunday is off the screen, including the settings icon next to Day/Week/Multiweek/Month. My monitor is a 19" diagonal 4:3 - not a widescreen 16:9. For what it's worth the mail screen displays fine

Thanks, Marc