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I'm using Thunderbird for my outlook.com account. Email, calendar, and contacts all sync nicely with TbSync, using the Exchange (MAPI) protocol. However, I prefer using open standards and would like to use IMAP. Will my calendar and contacts still sync? Is there a downside to changing to IMAP for my outlook.com account? I use IMAP for my gmail accounts.

Thunderbird 102.12.0 (64-bit) Arch Linux

Using fastmail as my email provider and their caldav server. I can create and generally edit calendar events. Changing the calendar itself in the event appears to save but the color of the calendar and the edit doesn't reflect the change. This is the same manually using (or not) the synchronize button. There is no read only setting on for this caldav calendar.

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

So. Thunderbird released an update, I updated, and all my custom event colours, that I really need, have gone from old to current see attachments. This was asked https://support.mozilla.org/en-US/questions/1326997?utm_campaign=questions-reply#question-reply

And a solution found that worked. Now Mozilla in their ludicrous wisdom have somehow screwed this up again. Anyone have a solution that works? I and lots of other people like the whole event title bar being a single colour. These 'dots' at the end are useless to see. Thanks PS Stop screwing with the settings. What to add something new, then create an add-on.

I just downloaded Thunderbird for the first time because I have several emails and want to manage them all in one place. The calendar is great and brought my google calendars right over, but my wife and I share our calendars with each other and hers isn't showing up on here, like it did on google. Is there a way to import her shared calendar into mine in Thunderbird?

Thunderbird version 102.7.1 The "today pane" in lower right covers part of the scroll bar. So I would like to hide it. The one other answer on a related question does not work; the X button just minimizes the "today pane", it does not hide it. The view->today pane->show none button is grey'd out, so that path does not work.

I can't add calendar of Office 365 to Thunderbird v115 because TBSync (https://addons.thunderbird.net/en-us/thunderbird/addon/tbsync/?src=hp-dl-mostpopular) add-on don't support new version. I think this is core feature and Dev Team can add this feature to Thunderbird.

Thanks so much

Thunderbird 102.5.1 (64-bit) Windows 11

Since a few years back my Lightning calendar lost all the color backgrounds for categories, which was a plugin that does not work anymore. The small sliver of a color bar on the right side of the event on the calendar page is not helpful to see in a glance what category is coming up in a few days. I have several job categories such as Photography, Video Recording and Audio Job. If I can color code AND SEE them at a glance when I am in the month view is a great help. I am not sure what purpose it serves to have a thin slice of color on the right side of the event! If the whole background of the event line has that color it will serve some purpose. I researched and tried all the css hacks and config edits but nothing seems to work. Is there any help that we can get? I see that others are also looking for a solution that works in the latest version. Any help would be greatly appreciated. Thanks.

Hi Team,

I recently started using THunderbird as an inbox and calendar tool a new business we have started with my team. I have a couple of questions.

1. I have the e-mail app on my android phone, but how can I get thunderbird calendar on it? 2. My other two businesses use google domain and e-mail accounts and my personal calendar is also on google. How can I sync the thunderbird calendar with my google calendar, so that events which I create, receive, accept on one of the calendars (i.e. Thunderbird) will automatically appear on the other (i.e. Google). 3. And is there a way to sync the calendars so that I can edit calendar events from everywhere (regardless of where they have been created)?

Thank you in advance.

Kind Regards, Alex

I have problems reading my Thunderbird (v. 102.4.0) calendar on my iPhone. My email provider offers calendar via CalDAV, and my iPhone connects to it. But it seems to be empty. Does Thunderbird 102.4.0 set up my calendar as CalDAV automatically? Or do I need an add-on? Is there some way to check this?

I can't "dismiss" my calendar events. Most all events have reminders that pop up--handy. But when I try to dismiss them, the window goes away, but then comes back again within minutes. They NEVER go away.

I've tried to delete the event itself, and it refuses to be deleted. It will disappear from my calendar, but then repopulate, again, within minutes.

I'm running TB 102.6.1 (64-bit) on the release channel (perhaps *that's* the issue...) with Provider for Google Calendar as one of my few extensions (only five in all...). I'm hesitant to disable Provider as that means I get no calendar at all (at least, no Google Calendar).

Ideas?

Problem: I'm 76 years old and technically self-taught. I have 2 Windows 11 computers. One desktop and one laptop. Both are fully updated and utilizing Office software, specifically Outlook. Not too long ago I happily discovered Thunderbird and like it soooo much better. QUESTION: Within Outlook, my calendar is displayed as iCloud Calendar which is ok for me. The one thing that is keeping me from exclusively using Thunderbird is not being able to import my iCoud calendar into Thunderbird. Is that even possible and if so, how? Please keep your response as simplistic as possible. Thank you for your time and consideration given to my inquiry.

When I receive a meeting invite, which was scheduled for 10am ET, the meeting is created in my calendar for 10am PT (which is the time zone for calendar) instead of 7am PT.

When I open the same meeting invite in Outlook, the correct time, 7am PT, is used - so I know the meeting invite is correct.

This is issue is very frustrating as I don't know when the "true" time for the meeting is.

Using 102.6.0

Thanks

1. When creating a calendar entry for 2 or more Attendees, the organiser himself gets an "Accepted" email. Other attendees do not get the invites.

2. When creating a new calendar entry and entering attendees, duplicate attendees are created.

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?

Some event reminder popups aren't being displayed. There's no apparent reason as to which reminder popups will work properly, although the problem seems to occur mostly with event reminders dated in the future or with reminders that use a custom reminder date/time (e.g. 16 days prior to the event). If I can't depend on the reminder popups then the calendar feature is useless to me.

Also, another slight annoyance is that the events cannot be sort by date, it refuses to sort them in chronological order. FYI...sort by name works.

All my calendar events disappeared! I checked the About Thunderbird, and it wasn't on the latest, so it must not have been an auto-upgrade issue. I clicked to upgrade to the latest, 102.8.0, but my calendar events are still all gone. What can I do?

Hello

My TB data spans decades, for emails, tasks & events [oh, & also contacts]. I've lost count of however many TB iterations / versions it's lived thru. It began life yonks ago in Win7, & lives now, for many years, in Linux.

For at least a couple of years, my Calendar has had this annoying problem. For many Events, but not all, it is just impossible to directly duplicate them. Both Ctrl-C Ctrl-V, & RMB-Copy RMB-Paste, simply do NOTHING [for it seems like the majority (but not entirety) of my Events].

Research lead me to https://bugzilla.redhat.com/show_bug.cgi?id=2015334 [my distro is #Arch not #Fedora, but IMO that's irrelevant]. I was galled to see that bug report was closed without action or solution; also that it was raised only with Redhat not actually Thunderbird.

In exasperation, recently i conceived this inefficient albeit effective workaround: for the target Event, RMB-ConvertTo-Task, then edit said new task to desired date for the intended duplicate, then convert said task to a new Event... then correct all the text formatting that was lost by this silly indirect process.

I've wondered if possibly the database has become corrupted somehow due to surviving all the historical TB version changes, to cause this duplication problem. So last night i thought i'd Export the Tasks & Events ICS file, then Import it into a clean TB profile elsewhere [in some vague hope that this process might magically "fix" any putative data corruption]. The Export nominally succeeded, being an 81 MB file. The Import failed every time, with the error msg per pic.

What is a frustrated TB user now supposed to do, please? [btw, current version is 102.10.1 (64-bit), in ArchLinux KDE Plasma].