Lightning is a calendar extension for Mozilla Thunderbird email client and Mozilla SeaMonkey AIO Suite. It is based on Mozilla's Sunbird calendar and works for Windows, Mac and Linux86.

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Thunderbird Lightning Calendar sync or import from MS Outlook

I have recently started using Thunderbird as my mail client and I like it (much better than what they want me to use - Outlook). Although I am well settled with email and contacts, I still want to ...
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1answer
1k views

Lightning: Importing “Tasks” from Outlook

The Problem: I am trying to migrate user from Outlook 2003 to Mozilla Thunderbird w/ Lighting extension. User kept important data stored as Tasks. While I can easily export Tasks from Outlook 2003 ...
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1answer
56 views

Where can I get mozilla lightning v.0.9 release for mac?

I have tried to search for an older version of lightning for mac but couldn't find any. Anybody have an ideas?
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0answers
211 views

Modfying meeting invitations in Thunderbird Lightning?

Is there a way of modifying a meeting request in Thunderbird Lightning? Similar to how Outlook offers the ability to suggest a new time for a meeting etc.
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0answers
24 views

Cannot accept meeting invite in Thunderbird Lightning when email address is not in attendance fields (sent to mailing list)

When sending a meeting invite to co-workers, we generally send them to an email list we are all subscribed to. Because of this, when an invite comes in, I sometimes cannot accept/deny the request due ...
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0answers
265 views

How can I link my Lightning (Thunderbird) and my Office365 calendars?

My organization has recently started using Office365. I hooked up to it for email, using IMAP and SMTP, no problem (except that it's slow). Now I want to have my Lightning calendar linked to it as ...
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0answers
36 views

How do I export ALL calendars in Mozilla lightning

I have seen singular versions of this but I was wondering if I could easily export ALL calendars into one file. I have about 20-30 calendars... Thunderbird 17.0.2 Ligntning 1.9 Mac OS X SL
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0answers
48 views

Get link to an IMAP mail from within Thunderbird?

When dragging&dropping a mail from Thunderbird to e.g. Firefox, a link for the mail (in the address bar of firefox) is displayed. Any way to get this link from within Thunderbird? (One can use ...
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0answers
319 views

How do I make Thunderbird add events from Exchange invites to my Google Calender

I've set-up Thunderbird, Lightning and the Google Bi-directional Calender provider and it's all working fine. I can manually add events to either calender and also access the Google calender via the ...
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0answers
82 views

Make an event recur based on “the last full weekend”

I'd like to set up a recurring event so that I don't have to re-create one every year. However, the recurrence of the event is not something that can easily be handled by the calendar's built-in ...
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0answers
476 views

How do I get Outlook (via Exchange) to accept Thunderbird/Lightning meeting requests?

Lightning/1.0b1 addon to Thunderbird/3.0.4 has no problem accepting Meeting Requests sent from my network Outlook session. However, Meeting Requests sent to an email address hosted on a POP server ...
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0answers
49 views

Synchronize historical appointments in CalDAV calender with Thunderbird/Lightning

In our association we recently migrated our calendars (from OwnCloud to Tine 2.0org), by exporting the old calendars as .ics files and importing them into Tine. I now wanted to verify that all ...
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0answers
1k views

How Should I Share Thunderbird-Lightning-Tasks Between Workstations?

I originally submitted this here, but I don't expect a reply. After migrating a company from MS Exchange server to Google Apps, I had a hard time finding a comparable replacement for Outlook's ...