---
title: Videos de Apoyo | Paulina del Castillo
description: Compartimos con ustedes información acerca del mundo de firmas electrónicas y su implementación en México.
---

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<https://blog.sora.mx/author/paulina-del-castillo#atbs-offcanvas-primary>

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# Paulina del Castillo

<https://blog.sora.mx/cuánto-tiempo-debe-mantenerse-el-expediente-del-trabajador>

### [¿Cuánto tiempo debe mantenerse el expediente del trabajador?](https://blog.sora.mx/cuánto-tiempo-debe-mantenerse-el-expediente-del-trabajador)

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[Paulina del Castillo](https://blog.sora.mx/author/paulina-del-castillo) 

enero 22 2026 

<https://blog.sora.mx/cuánto-tiempo-debe-mantenerse-el-expediente-del-trabajador>

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