Can you download it as an mbox and then import it into IMAP?
I downloaded my mail export and then used this last year. Although I can't find the instructions I used
https://github.com/thunderbird/import-export-tools-ng
Esther Payne :bisexual_flag:
npub17u…h329m
2026-10-25 16:59:17 UTC
in reply to nevent1q…4prv
Author Public Key
npub17uxpdhz0kqqwej08g36e40hzxc6ceg5yp4m7yq70qhs5hjj2ej9ssh329mSeen on
wss://relay.momostr.pinkPublished at
2026-10-25 16:59:17 UTCEvent JSON
{
"id": "eaff295ff2cc5ef78d20d25a6e6c4205703848db3f24fb9648e53021c8e26d38",
"pubkey": "f70c16dc4fb000ecc9e744759abee236358ca2840d77e203cf05e14bca4acc8b",
"created_at": 1792947557,
"kind": 1,
"tags": [
[
"e",
"1df0184c2efba8b112fb7b80640beefdbdb3d7fde55f37820993d0f76c997688",
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"root",
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],
[
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"9f39de5a3b5a967483624e411330c203f8fdf7e05e436a550c64b7e2089d08d6"
],
[
"proxy",
"https://chaos.social/@onepict/117502611154777074",
"web"
],
[
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[
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"activitypub"
],
[
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],
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],
[
"-"
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],
"content": "Can you download it as an mbox and then import it into IMAP?\n\nI downloaded my mail export and then used this last year. Although I can't find the instructions I used\n\nhttps://github.com/thunderbird/import-export-tools-ng",
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}