---
title: Video Library | Knowledge base (Legacy)
description: Access Nextail's full catalogue of videos explaining our guiding principles, the concepts behind our algorithms and how to configure our solutions.
---

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- [Русский](https://help.nextail.co/ru/legacy/библиотека-видео)

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1. [Knowledge base (Legacy)](https://help.nextail.co/en/legacy)
2. [Video Library](https://help.nextail.co/en/legacy/video-library)

# Video Library

 Access Nextail's full catalogue of videos explaining our guiding principles, the concepts behind our algorithms and how to configure our solutions.

- [Calendars & Lead Times](https://help.nextail.co/en/legacy/calendars-lead-times)
- [First Allocation](https://help.nextail.co/en/legacy/first-allocationvideo)
- [Introduction to Nextail](https://help.nextail.co/en/legacy/introduction-to-nextail)
- [Store app](https://help.nextail.co/en/legacy/store-app)
- [Business Intelligence](https://help.nextail.co/en/legacy/business-intelligence-2)
- [Sales Thresholds](https://help.nextail.co/en/legacy/sales-thresholds)
- [Promotions & Seasonality](https://help.nextail.co/en/legacy/promotions-seasonality)
- [Store Transfers](https://help.nextail.co/en/legacy/store-transfersvideo)
- [Visual Merchandising Rules](https://help.nextail.co/en/legacy/visual-merchandising-rules)
- [Replenishment](https://help.nextail.co/en/legacy/replenishmentvideo)

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- [Video Library](https://help.nextail.co/en/legacy/video-library)
- [First Allocation](https://help.nextail.co/en/legacy/first-allocation#main-content)

    - [Frequently asked questions](https://help.nextail.co/en/legacy/first-allocation#frequently-asked-questions)
    - [User guides](https://help.nextail.co/en/legacy/first-allocation#user-guides)
    - [Articles](https://help.nextail.co/en/legacy/first-allocation#articles)
- [Replenishment](https://help.nextail.co/en/legacy/replenishment#main-content)

    - [Frequently asked questions](https://help.nextail.co/en/legacy/replenishment#frequently-asked-questions)
    - [Articles](https://help.nextail.co/en/legacy/replenishment#articles)
    - [User guides](https://help.nextail.co/en/legacy/replenishment#user-guides)
- [Store Transfers](https://help.nextail.co/en/legacy/store-transfers#main-content)

    - [Frequently asked questions](https://help.nextail.co/en/legacy/store-transfers#frequently-asked-questions)
    - [User guides](https://help.nextail.co/en/legacy/store-transfers#user-guides)
    - [Articles](https://help.nextail.co/en/legacy/store-transfers#articles)
- [Buy](https://help.nextail.co/en/legacy/buy#main-content)

    - [Frequently asked questions](https://help.nextail.co/en/legacy/buy#frequently-asked-questions)
    - [Articles](https://help.nextail.co/en/legacy/buy#articles)
    - [User Guides](https://help.nextail.co/en/legacy/buy#user-guides)
- [Reorder](https://help.nextail.co/en/legacy/reorder#main-content)

    - [User Guide](https://help.nextail.co/en/legacy/reorder#user-guide)
    - [Articles](https://help.nextail.co/en/legacy/reorder#articles)
    - [Frequently Asked Questions](https://help.nextail.co/en/legacy/reorder#frequently-asked-questions)
- [Mobile App](https://help.nextail.co/en/legacy/mobile-app#main-content)

    - [Articles](https://help.nextail.co/en/legacy/mobile-app#articles)
    - [Frequently asked questions](https://help.nextail.co/en/legacy/mobile-app#frequently-asked-questions)
    - [User guides](https://help.nextail.co/en/legacy/mobile-app#user-guides)
- [Business Intelligence](https://help.nextail.co/en/legacy/business-intelligence#main-content)

    - [Articles](https://help.nextail.co/en/legacy/business-intelligence#articles)
    - [Frequently asked questions](https://help.nextail.co/en/legacy/business-intelligence#frequently-asked-questions)
    - [User Guides](https://help.nextail.co/en/legacy/business-intelligence#user-guides)
- [Nextail Optimization Logic](https://help.nextail.co/en/legacy/nextail-optimization-logic#main-content)

    - [Frequently asked questions](https://help.nextail.co/en/legacy/nextail-optimization-logic#frequently-asked-questions)
- [Account Troubleshooting](https://help.nextail.co/en/legacy/account-troubleshooting)
- [Glossary of terms](https://help.nextail.co/en/legacy/glossary-of-terms)

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