# Id Name Users TB91 TB102 TB115 TB128 TB140 TB153 TB155 Activity Current Min (ATN) Max (XPI) Max (ATN) Notes
2 4631 Provider for Google Calendar 152660 102.0.0

 115.3.0

 128.0.0

 128.5.12

 128.5.12

 128.5.12

 128.5.12

 2026-06-22 128.5.12

 128.0 154.* 156.*
4 195275 Send Later 122612 9.0.11

 10.6.1

 10.6.1

 10.7.8

 10.7.8

 10.7.8

 10.7.8

 2025-11-07 10.7.8

 126.0 146.* 156.*
5 640 Quicktext
↳ Clippings for Thunderbird		 106102 4.3

 5.10

 5.16

 5.21

 6.4

 6.9.4

 6.9.4

 2026-08-23 6.9.4

 148.0 154.* 157.*
7 47144 Mail Merge 80698 8.4.0

 9.6.1

 10.5.0

 11.5.0

 11.5.0

 11.5.0

 11.5.0

 2026-03-31 11.5.0

 128.0a1 150.* 156.*
8 988138 Grammar and Spell Checker — LanguageTo 78833 8.11.2

 8.11.2

 8.11.2

 8.11.2

 8.11.2

 8.11.2

 8.11.2

 2024-07-31 8.11.2

 78.0 130.* 157.*
18 438634 DKIM Verifier 32039 5.6.0

 5.6.0

 5.6.0

 6.3.0

 6.3.0

 6.3.0

 6.3.0

 2026-05-31 6.3.0

 128.0 153.* *
23 54035 Thunderbird Conversations 24130 4.0.26

 4.0.26

 4.1.7

 4.3.1

 4.3.10

 4.3.10

 4.3.10

 2026-06-17 4.3.10

 140.0a1 154.0a1 157.0a1
31 10052 FiltaQuilla 18664 3.7.2

 3.7.2

 4.3.1

 5.5.1

 6.2.2

 6.2.2

 2026-06-29 6.2.2

 140.0 153.* 154.*
34 217293 Signal Spam 15240 4.2.2

 4.2.2

 4.2.9

 4.2.9

 4.2.9

 4.2.9

 4.2.9

 2026-01-15 4.2.9

 115.0 148.* *
38 4970 Tag Toolbar / Tag Popup 13660 2.3.5

 2.4.1

 2.4.7

 2.4.7

 2.4.7

 2.4.7

 2025-03-23 2.4.7

 128.0 136.* 155.*
45 987783 Compact Headers 12492 2.25

 3.5

 5.16

 5.16

 5.16

 5.16

 5.16

 2026-08-23 5.16

 115.0 156.* *
46 986685 Phoenity Icons 12425 3.7

 3.10


 3.14


 3.19


 3.19


 3.19


 2026-03-27 3.19


 128.0 151.* 153.0
55 1556 Allow HTML Temp 9947 7.0.6

 8.1.5

 9.1.1

 10.2.1

 10.2.1

 10.2.1

 10.2.1

 2026-06-28 10.2.1

 128.0 154.* 156.*
59 12018 Quick Folder Move 8438 1.10.0

 1.10.0

 2.9.2

 3.3.0

 3.3.0

 3.3.0

 3.3.0

 2025-06-21 3.3.0

 128.0 141.* 156.*
63 989207 Close to Tray (for Windows) 7371 1.9

 1.9

 1.9

 1.9

 1.9

 1.9

 1.9

 2026-07-16 1.9

 76.0 154.* 155.*
67 987900 QNote 6689 0.12.5

 0.12.5

 0.13.0

 0.14.21

 0.14.21

 0.14.21

 0.14.21

 2026-07-24 0.14.21

 128.0 154.* 155.*
74 987906 Full Address Column 5809 1.0.4

 1.0.4

 1.2.4

 1.2.4

 1.2.4

 1.2.4

 1.2.4

 2025-05-16 1.2.4

 115.10.0 133.* *
75 988001 Attachment Viewer: view in a tab, slid 5754 2.3.3

 2.3.3

 2.9.2

 3.4.12

 3.4.12

 3.4.12

 2026-02-24 3.4.12

 128.0 148.* 154.*
79 986682 Disable DragAndDrop (New) 5078 5.5.0

 5.5.0

 5.5.0

 6.9.0

 6.9.0

 6.9.0

 6.9.0

 2026-01-18 6.9.0

 128.0 149.* *
81 987888 Message Header Toolbar Customize 4999 2.2.2

 2.3.6

 2.4.3

 2.4.4

 2.4.4

 2.4.4

 2.4.4

 2025-03-23 2.4.4

 128.0 136.* 155.*
87 46207 mailmindr 4461 1.5.0

 1.7.1
 1.7.1
 1.7.1
 1.7.1
 1.7.1
 1.7.1
 2024-08-04 1.7.1
 102.0 129.* *
90 12802 Phoenity Buttons 4208 4.3

 4.3

 5.1

 5.4

 5.4

 5.4

 5.4

 2026-03-27 5.4

 128.0 151.* *
92 988116 Charset Menu 4115 1.1.2

 2.0.0

 2.0.0

 2.1.2

 2.1.2

 2.1.2

 2025-08-07 2.1.2

 128.0 142.* 153.*
93 1898 FolderFlags 4106 1.6.0

 1.6.0

 1.6.0

 1.7.2

 1.7.2

 1.7.2

 1.7.2

 2025-08-18 1.7.2

 128.0 142.* 155.*
98 11646 No Message Pane Sort 3851 2.0.2

 2.0.2

 3.0.2

 3.0.2

 3.0.2

 3.0.2

 3.0.2

 2023-07-21 3.0.2

 115.0 116.* *
101 987775 Search Button 3650 2.3.2

 2.3.2

 3.0.0

 3.1.0

 3.1.0

 4.0.0

 4.0.0

 2025-06-29 4.0.0

 141.0 141.* 156.*
105 987764 Header Tools Improved 3313 3.9

 3.9

 4.7

 4.12

 4.12

 5.0

 5.0

 2026-08-27 5.0

 153.0 156.* *
109 986692 Profile Switcher 3038 2.6

 2.6

 3.3

 3.7

 3.7

 3.7

 3.7

 2025-06-27 3.7

 128.0 141.* *
111 116388 Automatic Dictionary 2940 3.0.1

 3.15.0

 3.15.0

 4.13.0

 4.13.0

 4.13.0

 4.13.0

 2026-03-05 4.13.0

 128.0 148.0 157.*
112 331319 Folder Pane View Switcher 2929 6.1

 6.1

 6.1

 6.1.3

 6.1.3

 6.1.3

 6.1.3

 2026-02-08 6.1.3

 126.0 148.* 156.*
114 988190 Old (classic) Icons 2885 1.2.2

 1.5.2


 1.6


 1.7.1


 1.7.1


 2025-03-09 1.7.1


 128.0 138.* 152.*
122 988195 Filter Manager 2654 1.1

 1.1

 1.3

 1.3

 1.3

 1.3

 1.3

 2025-01-26 1.3

 115.0 136.* *
133 987911 Spam Scores 2388 1.4.2

 1.4.2

 1.6.0

 1.6.0

 1.6.0

 1.6.0

 1.6.0

 2025-11-11 1.6.0

 115.0 144.* *
149 646888 Dictionary for recipient 1942 2.3.1

 2.3.2

 2.3.2

 2.4.1

 2.4.1

 2.4.1

 2025-08-07 2.4.1

 128.0 142.* 153.*
152 987865 Previous Colors 1852 1.2

 1.2

 1.2

 2.1

 2.1

 2.1

 2.1

 2024-07-27 2.1

 128.0 128.* 155.*
154 310 BiDi Mail UI 1763 0.13

 0.13

 0.14.1

 0.16.2

 0.16.4

 0.16.4

 0.16.4

 2026-07-11 0.16.4

 140.0 152.* 156.*
160 988770 Auto Profile Picture 1651 2.5.0

 2.5.0

 2.5.0

 2.5.0

 2.5.0

 2026-02-08 2.5.0

 112.0 149.* *
161 989342 NC Connector for Thunderbird 1633 3.3.1

 3.3.1

 3.3.1

 2026-08-23 3.3.1

 140.0 156.* 157.*
163 986632 SPAMBEE 1598 3.2.3

 3.2.3

 3.3.8

 3.3.8

 3.3.8

 3.3.8

 3.3.8

 2026-01-15 3.3.8

 115.0 148.* *
168 987787 Restart Button 1547 1.6

 1.6

 1.6

 1.7

 1.7

 1.7

 1.7

 2025-01-26 1.7

 128.0 136.* *
169 988215 Startpoint Manager 1531 1.2.1

 2.5.2

 4.2.3

 6.1.3

 6.1.3

 7.0.0

 7.0.0

 2026-03-24 7.0.0

 148.0a1 149.* 156.*
171 988056 Get All Mail Button for TB78++ 1499 2.3.1

 2.3.1

 3.1.1

 4.0.0

 4.0.0

 4.0.0

 4.0.0

 2025-02-05 4.0.0

 126.0 136.* 156.*
180 987914 Filter on Folder Button 1298 1.2.0

 1.5.0

 1.5.1

 1.6.2

 1.6.2

 1.6.2

 1.6.2

 2025-05-04 1.6.2

 128.0 140.0 155.*
181 987784 Config Button 1274 1.8

 1.8

 2.2

 2.2

 2.2

 2.2

 2.2

 2025-01-26 2.2

 115.0 136.* *
184 988875 ThunderAI Sparks 1226 1.2.4

 2.0.0

 2.0.0

 2.0.0

 2026-02-24 2.0.0

 140.0 148.* 156.*
187 360086 Toggle Headers 1168 3.0

 3.0

 4.2

 4.2

 4.2

 4.2

 4.2

 2025-04-07 4.2

 115.0 139.* *
188 987987 Toggle HTML 1152 1.7

 1.7

 1.9

 1.9

 1.9

 1.9

 1.9

 2025-01-26 1.9

 115.0 136.* *
196 1279 Xpunge 1040 3.0.0

 3.0.0

 4.0.2

 5.0.2

 2024-11-13 5.0.2

 128.2.0 131.* 139.*
205 676875 Rspamd-spamness 948 2.10.4

 2.10.4

 2.10.4

 2.10.4

 2.10.4

 2.10.4

 2.10.4

 2026-08-24 2.10.4

 78.0 155.* 156.*
210 988081 Outlook Address Book Enabler 901 1.0.1

 1.0.2

 1.1.1

 1.1.1

 1.1.1

 1.1.1

 2025-08-07 1.1.1

 115.0 142.* 153.*
217 987786 DevTools Button 842 1.5

 1.5

 1.6

 1.6

 1.6

 1.6

 1.6

 2025-01-26 1.6

 115.0 136.* *
219 407832 Filter Button 830 2.0.3

 2.0.5

 2.0.5

 2.0.5

 2.0.6

 2.0.6

 2026-04-28 2.0.6

 150.0 152.0 *
236 2561 Copy Sent to Current 721 3.27

 3.39

 3.39

 3.39

 3.39

 2025-07-01 3.39

 102.3.0 141.* 148.*
245 161710 More Snooze 697 3.3.3

 3.3.3

 3.3.3

 4.0.0

 4.0.0

 4.0.0

 4.0.0

 2025-04-09 4.0.0

 128.0 137.* *
276 161820 AlertSwitch 575 0.9.14

 0.9.14

 1.0

 1.0

 1.0

 1.0

 1.0

 2024-08-23 1.0

 115.0 130.* *
286 508826 EDS Calendar Integration 542 0.9.3

 1.0.2

 1.1.0

 1.2.0

 1.3.1

 1.3.1

 2026-05-18 1.3.1

 136.0 150.* 153.*
315 988567 Send Unsent Mail Button 430 1.4.0

 3.0.0

 3.0.0

 3.0.0

 3.0.0

 2025-02-06 3.0.0

 126.0 136.* 156.*
316 988561 Freecosys - Провайдер FileLink 429 1.1
 1.1
 1.1
 1.1
 1.1
 1.1
 1.1
 2023-09-21 1.1
 91.0 115.* *
320 49594 SubSwitch 403 0.9.56

 0.9.56

 1.0.8

 1.0.8

 1.0.8

 1.0.8

 1.0.8

 2025-06-20 1.0.8

 115.0 141.* *
337 988849 Calendar event from email with date de 347 0.19

 0.19

 0.19

 0.19

 2026-04-26 0.19

 128.0 147.* *
346 844927 ToggleReplied 329 2.0.1

 2.0.1

 2.0.2

 2.0.2

 2.0.2

 2.0.2

 2025-02-02 2.0.2

 126.0 135.* 156.*
362 987857 Preferences Button 301 1.5

 1.5

 1.6

 1.6

 1.6

 1.8

 1.8

 2026-03-27 1.8

 150.0 151.* *
388 559954 Tidybird 255 4.3.0

 4.6

 4.6

 4.7.2

 5.7

 5.7

 5.7

 2026-08-21 5.7

 137.0 155.* 156.*
395 988837 Calendar/Project Tools: Gantt-/Year V 240 2.6.10

 2.6.10

 2.6.10

 2.6.10

 2.6.10

 2.6.10

 2026-04-17 2.6.10

 60.0 150.* 154.*
402 745576 Logout 230 2.7

 2.7

 2.8

 3.2

 3.2

 3.2

 3.2

 2025-07-03 3.2

 128.0 140.* 155.*
422 988427 EnhancedReplyHeaders 205 1.0
 1.0
 1.0
 1.0
 1.0
 1.0
 2023-01-06 1.0
 102.0 102.* *
425 988543 selectAll Button 202 1.1
 1.1
 1.1
 2.2.4

 2.2.4

 2.2.4

 2.2.4

 2026-01-14 2.2.4

 128.0 149.* 157.*
461 534258 Received 161 2.6.2

 2.6.2

 2.6.2

 2.6.2

 2.6.2

 2.6.2

 2.6.2

 2025-12-04 2.6.2

 78.0 146.* 156.*
482 988960 Mass Emailer 145 1.18

 2.3.7

 2.3.7

 2.3.7

 2.3.7

 2026-05-17 2.3.7

 128.0 150.* *
494 986230 Mailing list filter 130 4.0.0

 4.0.0

 5.1.0

 5.1.0

 5.1.0

 5.1.0

 2025-04-09 5.1.0

 128.0 137.* *
509 988842 Toggle Dark Reader 120 1.2

 1.2

 1.2

 2024-11-14 1.2

 133.0 134.* *
516 987869 Next Unread Thread (Mark All Read) 117 1.3

 1.3

 1.4

 1.4

 1.4

 1.4

 1.4

 2025-01-26 1.4

 115.0 136.* *
517 987988 Toggle Inline 117 1.3

 1.4

 1.5

 1.5

 1.5

 1.5

 1.5

 2025-01-26 1.5

 115.0 136.* *
522 987868 Next Unread Group (Mark All Read) 116 1.3

 1.3

 1.4

 1.4

 1.4

 1.4

 1.4

 2025-01-26 1.4

 115.0 136.* *
531 988389 Thunderbird OpenProject 112 0.5
 0.5
 0.5
 0.5
 0.5
 0.5
 0.5
 2022-10-28 0.5
 68.0 102.* *
582 852623 Remote Content By Folder 84 2.0.1

 3.1.5

 3.1.5

 3.1.6

 3.1.6

 3.1.6

 3.1.6

 2025-02-02 3.1.6

 126.0 135.* 156.*
599 988167 todowebapp 77 1.2
 1.3
 1.3
 1.3
 1.3
 1.3
 1.3
 2023-06-18 1.3
 102.0 102.* *
623 988166 googlesearchwebapp 72 1.2
 1.2
 1.2
 1.2
 1.2
 1.2
 1.2
 2021-09-06 1.2
 78.0 91.* *
625 987989 Toggle Summary 71 1.4

 1.5

 1.6

 1.6

 1.6

 1.6

 1.6

 2025-01-26 1.6

 115.0 136.* *
634 988168 onedrivewebapp 68 1.2
 1.3
 1.3
 1.3
 1.3
 1.3
 1.3
 2023-06-19 1.3
 102.0 102.* *
645 988126 ResizeTbWidth 63 20.1
 20.1
 20.1
 20.1
 20.1
 20.1
 20.1
 2023-01-15 20.1
 78.0 102.* *
661 988106 Toggle Address Box 57 1.0

 1.2

 1.3

 1.3

 1.3

 1.3

 1.3

 2025-01-26 1.3

 115.0 136.* *
673 988451 PowerFolder 53 16.6.100
 16.6.100
 16.6.100
 16.6.100
 16.6.100
 16.6.100
 16.6.100
 2023-02-22 16.6.100
 78.0 102.* *
690 987916 telegramwebapp 50 1.2
 1.31
 1.31
 1.31
 1.31
 1.31
 1.31
 2023-06-18 1.31
 102.0 102.* *
691 988258 Recently 50 0.0.6
 0.0.6
 0.0.6
 0.0.6
 0.0.6
 2022-06-28 0.0.6
 78.0 103.0 142.*
703 988428 TileNote 48 1.6
 1.6
 1.6
 1.6
 1.6
 1.6
 1.6
 2023-01-10 1.6
 78.0 102.* *
704 988571 FindNow 48 3.6

 4.3

 4.3

 4.3

 2025-07-09 4.3

 128.0 140.* 153.*
711 988171 msofficewebapp 46 1.2
 1.3
 1.3
 1.3
 1.3
 1.3
 1.3
 2023-06-18 1.3
 102.0 102.* *
740 988100 Folders for search, onDisk Status- Glo 42 1.5.2

 1.8.3

 1.8.3

 2025-04-09 1.8.3

 128.0 137.* 146.*
765 988722 Custom Subject Column 37 0.5.6

 0.8.4

 0.8.4

 0.8.4

 0.8.4

 2026-08-31 0.8.4

 128.0 156.* *
797 989211 X-Header-To-Column 31 1.2.1

 1.2.1

 2026-03-11 1.2.1

 128.0 150.* 151.*
831 988431 RainbowMemo 26 2.3
 2.3
 2.3
 2.3
 2.3
 2.3
 2.3
 2023-01-17 2.3
 78.0 102.* *
862 988170 skypewebapp 22 1.2
 1.3
 1.3
 1.3
 1.3
 1.3
 1.3
 2023-06-19 1.3
 102.0 102.* *
961 988790 Birdbox 14 1.4.0

 1.4.0

 2.1.0

 2025-05-30 2.1.0

 136.0 140.* 145.*
1047 988169 wikipediasearchwebapp 10 1.2
 1.3
 1.3
 1.3
 1.3
 1.3
 1.3
 2023-06-19 1.3
 102.0 102.* *
1049 988392 Quick Peek / Message List Preview 10 1.1.4

 1.1.4

 2.1.4

 2.1.4

 2.1.4

 2.1.4

 2026-07-16 2.1.4

 115.0 153.* 154.*
1167 987922 Date detection 5 0.0.7

 0.0.7

 0.0.7

 0.0.7

 2023-07-12 0.0.7

 68.0 117.* 128.*
1274 988173 Thunderkey 3 1.0.1

 1.0.1

 2021-09-06 1.0.1

 78.0 91.* 102.0
1280 989042 Retrieve Remote Avatar 3 1.3

 2025-07-15 1.3

 139.0 142.* 145.*

Statistics

83
2

The report is based on work by Christopher Leidigh, extended by John Bieling.