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I have Thunderbird version 115.5.1 installed on my Windows 11 laptop. I have logged into my gmail account and subscribed to google calendar. I have turned the off default reminders for events and don't have any extensions installed, but when I create a new event and select "No Reminder," Thunderbird automatically sets a 30-minute reminder. I can modify the reminder by editing the event after saving, but I can't directly create a new event with no reminder.

While using Yahoo email I tried to access the 'Notepad' page and get a message saying to Download a new version of Firefox to see the 'Calendar' even though I was trying for the 'Notepad' not the 'Calendar'. If I try for the 'Calendar' I initially get the small right-sidebar version fine but if I ask for the full page version I get the error message again. This does not happen if I access Yahoo through Chrome-browser. I have repeatedly done the download to no avail. (I have version 99.0.1). I am attaching a screenshot of the error message. Thanks for any help. No rush.

Hi community,

I am looking for the way to change the start of the week to Monday. The default is Sunday start, but I can't find a way to change it so far.

My thunderbird version is 102.1.0 (64bit) for windows.

I will appreciate your help.

Thank you in advance, KT

I am using Thunderbird 91.9.1. I have imported several calendars from my google account which works really well. What does not work well is trying to import/show my google tasks, they simply appear nowhere. How I tried to import them: Calendar -> New Calendar... -> On the Network -> Entering my google account at Username -> after logging in, only my google calendars are shown, not the tasks.

What am I missing? Thanks!

I need to sync TB with Outlook.com calendar. But tbsync will not work with TB 102.0b8. Apparently hasn't been updated as yet. I can always back up to the previous version of TB, but I'm afraid I will lose features in this new version. Any help would be appreciated. BTW, this particular PC of mine is running Windows 8.1 due to the needs of a particular business application I use.

As mentioned in title I cannot use the calendar function at all. Same with tasks function:

• I can open the calendar tab, but that's it.
• There is no calendar on the calendar list, and the 'plus'-icon to add a new calendar is greyed out.
• There are buttons to change the views (week, day etc) but these also are greyed out.
• Same issue with tasks: I can open the tab, but cannot add any tasks

It all worked with older versions of TB. I had several calendars in place, no problem. But after some upgrade everything is gone. The calendars, originally set up on TB, are still there, but only accessible on the g-account...

Version: TB 91.11. Add-ons: Provider for google calendar

Any idea? I really want to use TB calendar function instead. If I could at least only set up a new calendar, that would be very helpful. Thx a lot in Advance!

When I enter an event on Thunderbird, it is immediately reflected on my online Google Calendar. However, when I enter the event on google calendar website, it does not automatically appear on my Thunderbird Google Calendar. Don't understand this. The only add-on I have on Thunderbird is the 'Provider for Google Calendar' (to allow bidirectional access to google calendar). I don't see any settings to fix this. Help! Note: It updates when I press 'synchronize' on Thunderbird, but I don't want to have to remember to do that. Should be automatic!!

Version 91 works correctly on other machines. On one machine that is updated to 102.0.1: Create a New Task DOES work for CalDav calendars. Convert mail to task DOES work for local Home calendar. Convert mail to task does NOT work for CalDav calendar. No task gets created. (It does still work in 91.) Move a task from Home to CalDav DOES work if the Home task was created with New Task. Move a task from Home to CalDav does NOT work if the Home task was converted from mail message. CalDav is DAViCal (on Linux, Apache) which is still serving TB ver. 91 machines. All TB 91 and 102 instances are running on Windows 10 21H2 with Firefox 102. Any advice? What more can I tell you?

Hi

I recently upgraded my Thunderbird client to v102. The calendar export options have changed and when reviewing the Release Notes Release Notes I note in the "Changed" - Support for importing and exporting calendars from Outlook CSV format was removed

This has significantly impacted my usage. This is where my timesheets are created / stored. This format is excellent for further analysis and billing. To use html or ics is very limiting and problematic for such purposes.

From what I have found online, all ics to csv convertible tools are a extremely poor substitute

Can this be reversed or can someone suggest an add-on to remedy this situation ?

Thanks

I´m using TB 102.0.1 in Windows x64 Professional. I have config TB to work in English (menus, notifications, etc.), but with this update I have to change to Spanish language to allow the 24h format in Calendar. Every time I change to the Regional setting (Spanish) from an English language the Calendar change to AM/PM format, when I have config Windows to 24h format (HH:mm). I have always config TB to work with English menus, but I lost this possibility with the last update. Windows 7 Professional work with an Spanish language installation, and I suppose that in this new version of TB something has change with the Language/regional configurations. Is there any possibility to select the "time format" of the Calendar (24h to AM/PM or AM/PM to 24h)? Thanks

Hello,

After upgrading to Tb 102.0.2 calendar (Lightning) is not following "Date and Time Formatting" setting. Anyone knows how to fix it?

Thanks,

JM

I have just moved from Outlook and I have converted my PST calendar to ICS. When I try to import the ICS file, nothing happens.

The JPG shows where the import stops.

Is there a solution and if so, how do I fix it?

I don't want to have to keep Outlook around just to use its calendar.

Thanks for any assistance.

Jimmy Lightfoot

When I opened the Thunderbird Calendar this morning 99% of information, appointments, meetings, birthdays, etc. are missing. The Monthly view shows one or two events, the rest of the days are blank.

Since updating Thunderbird to 102, I can no loger import the lightening calendar. Exporting a .ics file from one pc works but on trying to import it into any other pc or the same one, I get "No importable items found in the file". Any help would be appreciated.

Just a couple of days ago, Google calendar no longer syncs with Thunderbird. I didn't change any settings and it looks like I can't even re-add the Google calendar events it should sync to.

Referring to this archived post, https://support.mozilla.org/en-US/questions/1304213.

I have the same problem - very difficult to find "TODAY" on my calendar. Mozilla - may I suggest highligh of "Today" as an option people can easily set in Calendar settings?

Post reply provides info on changing the userChrome.css, then says to

"Toggle toolkit.legacyUserProfileCustomizations.stylesheets to true in Config. editor"

How/where do I toggle this? Using TB 91.11.0

Thanks, Greg

Where can I find the meanings of the symbols on an event in Thunderbird calendar? I have some events that show a wrench, and for these events it seems I cannot dismiss reminders. And how do I get rid of it?

Thank you in advance, Stephan