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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

Trying to sync my outlook and gmail calendars in Thunderbird 140.10.1 and consistently getting an error I haven't seen before: "status.Settings.138". Event log reads: Request: <Settings xmlns='Settings'> <DeviceInformation> <Set> <Model>Computer</Model> <FriendlyName>TbSync%20on%20Device%20fc68426d642076cda9a60b0dd8f3</FriendlyName> <OS>WINNT</OS> <UserAgent>Thunderbird%20ActiveSync</UserAgent> </Set> </DeviceInformation> </Settings>

Response: <Settings xmlns='Settings'> <Status>138</Status> </Settings>

The today pane shows the incorrect date details. Today it shows Thursday 23 March 2018. Today is Friday 23 March 2018. When I open the calendar it shows today is Thursday 22 March 2018 and the date in the panel at the bottom right hand corner shows 22 and not 23.

In version 149.0.1, the calendar layout seems to have changed so that, in the week view, the days are rows instead of columns. Is there a way to change to days being columns? The new layout really does not work for my events. I have short events that now can't be read at all because the event is too short to display any part of the event title.

Hi,

I'm not sure how, but the default orientation of my calendar items in day or week view is stuck on horizontal. I don't remember any express change that I made, and combing through the settings and online research has not yielded a solution. I'm not sure how to switch it back, and it's pretty inconvenient!

Any help would be gratefully appreciated.

Thanks!

Using TB 147.0.2 on Windows 11. Installation went very smoothly, including importing all my IMAP, Gmail, and iCloud accounts. Kudos!

However, my iCloud account has four calendars (personal, shared, travel, work) and TB only sees two of the four. I can't pinpoint any reason why. There's nothing special about the two it sees or the two it doesn't, as far as I can tell.

Any hints? Suggestions? Ridicule?

Hi,

I configured my account using the server's IMAP service. Every time I open Thunderbird, it asks me for the password of the calendar service of that IMAP service. But it doesn't have a calendar service. Even if it has, I don't want to use it.

I looked everywhere in the settings page, but could not find a way to disable it.

Why the app keeps asking me for the calendar service's password and how to disable it?

Thanks.

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?

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.