# Switching from Comodo to Letsencrypt

**URL:** <https://community.letsencrypt.org/t/switching-from-comodo-to-letsencrypt/191146>\
**Category:** Help\
**Created:** [January 13, 2023, 7:01pm UTC](https://community.letsencrypt.org/t/switching-from-comodo-to-letsencrypt/191146 "2023-01-13T19:01:47Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![Bruce5051](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/bruce5051/32/76576_2.png) [@Bruce5051](https://community.letsencrypt.org/u/Bruce5051)\
**Post date:** [January 13, 2023, 9:13pm UTC](https://community.letsencrypt.org/t/switching-from-comodo-to-letsencrypt/191146/15 "2023-01-13T21:13:02Z")

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Try these links:

- [Chain of Trust - Let's Encrypt](https://letsencrypt.org/certificates/)
- [Certificate Compatibility - Let's Encrypt](https://letsencrypt.org/docs/certificate-compatibility/)
- [Long (default) and Short (alternate) Certificate Chains Explained](https://community.letsencrypt.org/t/long-default-and-short-alternate-certificate-chains-explained/162526)
- [Providing a longer certificate chain by default](https://community.letsencrypt.org/t/providing-a-longer-certificate-chain-by-default/148738)
- [Validating Let's Encript Long Chain - #3 by mcpherrinm](https://community.letsencrypt.org/t/validating-lets-encript-long-chain/177500/3)

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_[View the full topic](https://community.letsencrypt.org/t/switching-from-comodo-to-letsencrypt/191146)._