Calendar and Date/Time
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Send Later
True "Send Later" functionality to schedule the time for sending an email.
77,423 users -
TbSync
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.
29,073 users
Most Popular See all »
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6,964,241 users
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77,423 users
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29,073 users
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21,466 users
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19,084 users
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15,467 users
Top Rated See all »
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15,467 users
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29,073 users
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77,423 users
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14,614 users
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141 users
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58 users
Recently Added See all »
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44 users
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65 users
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94 users
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141 users
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Thunderbird doesn't show calendar parts from Outlook appointment emails. This addon adds a button to download the embedded appointment as ICS to import it into another calendar.1,706 users -
19,084 users
See all 46 extensions in Calendar and Date/Time »
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