# Id Name Users TB91 TB102 TB115 TB128 TB140 TB153 TB156 Activity Current Min (ATN) Max (XPI) Max (ATN) Notes
2 4631 Provider for Google Calendar 155785 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 123718 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.* 158.*
6 640 Quicktext
↳ Clippings for Thunderbird		 102406 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 83628 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.* 157.*
8 988138 Grammar and Spell Checker — LanguageTo 81755 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 32439 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 2533 Addressbooks Synchronizer 24560 4.14

 4.24

 4.24

 4.24

 4.24

 4.24

 4.24

 2026-08-26 4.24

 102.0 156.* 158.*
33 217293 Signal Spam 15564 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.* *
39 4970 Tag Toolbar / Tag Popup 13197 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.* 156.*
43 987783 Compact Headers 12402 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 11277 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 9834 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.* 158.*
58 12018 Quick Folder Move 8594 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.*
72 987900 QNote 6104 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.* 157.*
75 987906 Full Address Column 5640 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.* *
77 988001 Attachment Viewer: view in a tab, slid 5503 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.*
82 987888 Message Header Toolbar Customize 4736 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.* 156.*
84 46207 mailmindr 4613 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.* *
86 986682 Disable DragAndDrop (New) 4568 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.* *
88 989207 Close to Tray (for Windows) 4377 1.9

 1.9

 1.9

 1.9

 1.9

 1.9

 1.6
 2026-07-16 1.9

 76.0 154.* 155.*
89 12802 Phoenity Buttons 4338 4.3

 4.3

 5.1

 5.4

 5.4

 5.4

 5.4

 2026-03-27 5.4

 128.0 151.* *
96 11646 No Message Pane Sort 3869 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.* *
97 987775 Search Button 3788 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.* 157.*
101 1898 FolderFlags 3616 1.6.0

 1.6.0

 1.6.0

 1.7.2

 1.7.2

 1.7.2

 2025-08-18 1.7.2

 128.0 142.* 155.*
105 988116 Charset Menu 3347 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.*
106 987764 Header Tools Improved 3327 3.9

 3.9

 4.7

 4.12

 4.12

 5.0

 5.0

 2026-08-27 5.0

 153.0 156.* *
108 988289 keepassxc-mail 3316 1.10

 1.10

 1.10

 1.18.20260809.0

 1.18.20260809.0

 1.18.20260809.0

 1.18.20260809.0

 2026-08-09 1.18.20260809.0

 128.0 155.* 156.*
113 986692 Profile Switcher 3052 2.6

 2.6

 3.3

 3.7

 3.7

 3.7

 3.7

 2025-06-27 3.7

 128.0 141.* *
114 116388 Automatic Dictionary 3001 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.*
118 331319 Folder Pane View Switcher 2915 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.* 158.*
123 988195 Filter Manager 2712 1.1

 1.1

 1.3

 1.3

 1.3

 1.3

 1.3

 2025-01-26 1.3

 115.0 136.* *
125 988190 Old (classic) Icons 2696 1.2.2

 1.5.2


 1.6


 1.7.1


 1.7.1


 2025-03-09 1.7.1


 128.0 138.* 152.*
129 987911 Spam Scores 2435 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.* *
150 646888 Dictionary for recipient 1864 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.*
154 310 BiDi Mail UI 1781 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.*
158 986632 SPAMBEE 1706 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.* *
162 987865 Previous Colors 1600 1.2

 1.2

 1.2

 2.1

 2.1

 2.1

 2024-07-27 2.1

 128.0 128.* 155.*
166 988215 Startpoint Manager 1535 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.* 157.*
167 987787 Restart Button 1525 1.6

 1.6

 1.6

 1.7

 1.7

 1.7

 1.7

 2025-01-26 1.7

 128.0 136.* *
170 988056 Get All Mail Button for TB78++ 1488 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.* 157.*
172 3492 Show InOut 1360 3.14

 3.14

 4.6

 4.6

 4.7

 4.7

 4.7

 2026-08-25 4.7

 140.0 156.* 158.*
183 987784 Config Button 1263 1.8

 1.8

 2.2

 2.2

 2.2

 2.2

 2.2

 2025-01-26 2.2

 115.0 136.* *
186 987914 Filter on Folder Button 1194 1.2.0

 1.5.0

 1.5.1

 1.6.2

 1.6.2

 1.6.2

 2025-05-04 1.6.2

 128.0 140.0 155.*
189 360086 Toggle Headers 1165 3.0

 3.0

 4.2

 4.2

 4.2

 4.2

 4.2

 2025-04-07 4.2

 115.0 139.* *
191 987987 Toggle HTML 1150 1.7

 1.7

 1.9

 1.9

 1.9

 1.9

 1.9

 2025-01-26 1.9

 115.0 136.* *
199 988035 Markdown Here Revival 1011 3.5.1

 3.5.1

 3.6.0

 4.0.9.1

 4.0.9.1

 4.0.9.1

 2026-01-16 4.0.9.1

 128.0 148.* 155.*
200 1279 Xpunge 1009 3.0.0

 3.0.0

 4.0.2

 5.0.2

 2024-11-13 5.0.2

 128.2.0 131.* 139.*
208 676875 Rspamd-spamness 967 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.* 157.*
218 987786 DevTools Button 859 1.5

 1.5

 1.6

 1.6

 1.6

 1.6

 1.6

 2025-01-26 1.6

 115.0 136.* *
221 407832 Filter Button 852 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 *
223 988081 Outlook Address Book Enabler 828 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.*
244 161710 More Snooze 698 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.* *
250 988724 CalendarSearchExport 679 1.6

 1.10

 1.10

 1.10

 1.10

 2026-08-26 1.10

 128.0 156.* 158.*
273 161820 AlertSwitch 584 0.9.14

 0.9.14

 1.0

 1.0

 1.0

 1.0

 1.0

 2024-08-23 1.0

 115.0 130.* *
280 2561 Copy Sent to Current 563 3.27

 3.39

 3.39

 3.39

 3.39

 2025-07-01 3.39

 102.3.0 141.* 148.*
294 508826 EDS Calendar Integration 484 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.*
299 988806 Allday Tasks 475 0.7

 0.7

 0.7

 0.8

 0.8

 0.8

 0.8

 2026-08-26 0.8

 128.0 156.* 158.*
313 988567 Send Unsent Mail Button 441 1.4.0

 3.0.0

 3.0.0

 3.0.0

 3.0.0

 2025-02-06 3.0.0

 126.0 136.* 157.*
320 49594 SubSwitch 414 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.* *
345 844927 ToggleReplied 349 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.* 158.*
346 988772 All Events 347 1.3

 1.3

 1.3

 1.3

 2026-08-26 1.3

 128.0 156.* 158.*
347 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.* *
351 986610 userChromeJS 332 1.2

 1.2

 1.2

 1.2.3

 1.2.3

 1.2.3

 1.2.3

 2026-08-21 1.2.3

 126.0 156.* 158.*
371 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.* *
396 559954 Tidybird 247 4.3.0

 4.6

 4.6

 4.7.2

 5.7

 5.7

 5.7

 2026-08-21 5.7

 137.0 155.* 157.*
407 745576 Logout 227 2.7

 2.7

 2.8

 3.2

 3.2

 3.2

 3.2

 2025-07-03 3.2

 128.0 140.* 157.*
417 988427 EnhancedReplyHeaders 217 1.0
 1.0
 1.0
 1.0
 1.0
 1.0
 2023-01-06 1.0
 102.0 102.* *
425 988543 selectAll Button 207 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.* 158.*
438 988837 Calendar/Project Tools: Gantt-/Year V 189 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.*
462 534258 Received 164 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.* 157.*
504 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.* *
514 988842 Toggle Dark Reader 121 1.2

 1.2

 1.2

 2024-11-14 1.2

 133.0 134.* *
520 988816 Message Links 4 events 118 0.3

 0.3

 0.3

 0.4

 0.4

 2026-08-26 0.4

 148.0 156.* 158.*
523 987868 Next Unread Group (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.* *
527 987869 Next Unread Thread (Mark All Read) 115 1.3

 1.3

 1.4

 1.4

 1.4

 1.4

 1.4

 2025-01-26 1.4

 115.0 136.* *
534 987988 Toggle Inline 113 1.3

 1.4

 1.5

 1.5

 1.5

 1.5

 1.5

 2025-01-26 1.5

 115.0 136.* *
540 988389 Thunderbird OpenProject 108 0.5
 0.5
 0.5
 0.5
 0.5
 0.5
 0.5
 2022-10-28 0.5
 68.0 102.* *
573 852623 Remote Content By Folder 90 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.* 158.*
585 989275 ShowThread 85 1.5

 1.6

 1.6

 1.6

 2026-08-23 1.6

 140.0 156.* 158.*
603 988167 todowebapp 80 1.2
 1.3
 1.3
 1.3
 1.3
 1.3
 1.3
 2023-06-18 1.3
 102.0 102.* *
627 987989 Toggle Summary 72 1.4

 1.5

 1.6

 1.6

 1.6

 1.6

 1.6

 2025-01-26 1.6

 115.0 136.* *
633 988166 googlesearchwebapp 70 1.2
 1.2
 1.2
 1.2
 1.2
 1.2
 1.2
 2021-09-06 1.2
 78.0 91.* *
636 988168 onedrivewebapp 69 1.2
 1.3
 1.3
 1.3
 1.3
 1.3
 1.3
 2023-06-19 1.3
 102.0 102.* *
654 988126 ResizeTbWidth 64 20.1
 20.1
 20.1
 20.1
 20.1
 20.1
 20.1
 2023-01-15 20.1
 78.0 102.* *
678 989211 X-Header-To-Column 57 1.2.1

 1.2.1

 1.2.1

 1.2.1

 2026-03-11 1.2.1

 128.0 150.* *
682 988451 PowerFolder 54 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.* *
687 988106 Toggle Address Box 53 1.0

 1.2

 1.3

 1.3

 1.3

 1.3

 1.3

 2025-01-26 1.3

 115.0 136.* *
695 987916 telegramwebapp 52 1.2
 1.31
 1.31
 1.31
 1.31
 1.31
 1.31
 2023-06-18 1.31
 102.0 102.* *
706 988428 TileNote 49 1.6
 1.6
 1.6
 1.6
 1.6
 1.6
 1.6
 2023-01-10 1.6
 78.0 102.* *
709 988258 Recently 48 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.*
723 988571 FindNow 46 3.6

 4.3

 4.3

 4.3

 2025-07-09 4.3

 128.0 140.* 153.*
733 988171 msofficewebapp 44 1.2
 1.3
 1.3
 1.3
 1.3
 1.3
 1.3
 2023-06-18 1.3
 102.0 102.* *
774 988722 Custom Subject Column 36 0.5.6

 0.8.4

 0.8.4

 0.8.4

 0.8.4

 2026-08-31 0.8.4

 128.0 156.* *
824 988100 Folders for search, onDisk Status- Glo 29 1.5.2

 1.8.3

 1.8.3

 2025-04-09 1.8.3

 128.0 137.* 146.*
825 988431 RainbowMemo 29 2.3
 2.3
 2.3
 2.3
 2.3
 2.3
 2.3
 2023-01-17 2.3
 78.0 102.* *
864 988170 skypewebapp 23 1.2
 1.3
 1.3
 1.3
 1.3
 1.3
 1.3
 2023-06-19 1.3
 102.0 102.* *
947 989021 OpenDetachedAttachments 16 4.1

 4.1

 4.1

 4.1

 2026-08-23 4.1

 128.0 156.* 158.*
1052 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.* *
1099 988392 Quick Peek / Message List Preview 8 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.*
1147 988790 Birdbox 6 1.4.0

 1.4.0

 2.1.0

 2025-05-30 2.1.0

 136.0 140.* 145.*
1187 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.*
1288 988173 Thunderkey 3 1.0.1

 1.0.1

 2021-09-06 1.0.1

 78.0 91.* 102.0
1381 989042 Retrieve Remote Avatar 2 1.3

 2025-07-15 1.3

 139.0 142.* 145.*

Statistics

88
2

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