---
description: Microsoft Outlookを実際に使用したユーザーのレビューから、製品の機能や価格、メリットデメリットをご覧いただけます。類似製品との比較も簡単、ぴったりのSaaSが見つかるはず！
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title: Microsoft Outlookとは？ | 機能や料金、導入事例をご紹介【キャプテラ】
---

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# Microsoft Outlook

Canonical: https://www.capterra.jp/software/1010311/microsoft-outlook

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> メールの送受信や管理だけでなく予約やイベントの追跡も行える、メールとカレンダーを組み合わせたソリューションです。
> 
> 評価：2524人のユーザーによる評価は**4.5/5**。**おすすめ度**で最高の評価。

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## 概要

### Microsoft Outlookの対象ユーザー

学生、プロ、あらゆる規模の企業、教育機関など。

## 簡単な統計と評価

| 測定基準 | 評価 | 詳細 |
| **総合評価** | **4.5/5** | 2524 レビュー |
| 使いやすさ | 4.5/5 | レビュー全体に基づく |
| カスタマー・サポート | 4.2/5 | レビュー全体に基づく |
| 価格の妥当性 | 4.4/5 | レビュー全体に基づく |
| 機能 | 4.5/5 | レビュー全体に基づく |
| おすすめ率 | 90% | (9/10 おすすめ度) |

## 企業情報

- **キャプテラについて**: Microsoft
- **ロケーション**: Redmond, アメリカ
- **設立**: 1975

## ビジネスコンテキスト

- **価格モデル**:  (無料版が利用可能)
- **対象となる企業**: 自営業, 2～10, 11～50, 51～200, 201～500, 501～1,000, 1,001～5,000, 5,001～10,000, 10,000+
- **デプロイとプラットフォーム**: クラウド、SaaS、ウェブベース, Mac（デスクトップ）, Windows（デスクトップ）, Android（モバイル）, iPhone（モバイル）, iPad（モバイル）
- **サポートされる言語**: アイルランド語, アラビア語, イタリア語, インドネシア語, ウクライナ語, オランダ語, スウェーデン語, スペイン語, タイ語, チェコ語, デンマーク語, トルコ語, ドイツ語, ノルウェー語, ハンガリー語, フィンランド語, フランス語, ヘブライ語, ポルトガル語, ポーランド語, ロシア語, 中国語, 日本語, 繁体中国語, 英語, 韓国語
- **利用可能な国**: アメリカ合衆国, イギリス, インド, オーストラリア, カナダ, ドイツ, ブラジル, メキシコ, 中国, 日本

## 機能

- コラボレーションツール
- 連絡先管理

## 統合 (合計12件)

- Gmail
- Google Calendar
- Microsoft 365
- Microsoft Excel
- Microsoft OneNote
- Microsoft PowerPoint
- Microsoft SharePoint
- Microsoft Teams
- Microsoft To Do
- Microsoft Word
- OneDrive
- Zoom Workplace

## サポートのオプション

- メール/ヘルプデスク
- FAQ/フォーラム
- ナレッジベース
- 電話サポート

## Category

- [カレンダーツール](https://www.capterra.jp/directory/32297/calendar/software)

## 関連カテゴリー

- [カレンダーツール](https://www.capterra.jp/directory/32297/calendar/software)
- [メール管理ソフト](https://www.capterra.jp/directory/30553/email-management/software)

## 代替製品

1. [Gmail](https://www.capterra.jp/software/202338/gmail) — 4.8/5 (13564 reviews)
2. [Google Workspace](https://www.capterra.jp/software/168389/google-workspace) — 4.7/5 (17732 reviews)
3. [Microsoft 365](https://www.capterra.jp/software/58688/microsoft-365) — 4.6/5 (14170 reviews)
4. [Yahoo Mail](https://www.capterra.jp/software/1035225/yahoo-mail) — 4.2/5 (862 reviews)
5. [Zoho Mail](https://www.capterra.jp/software/174694/zoho-mail) — 4.5/5 (1068 reviews)

## レビュー

### "The ultimate communication tool for corporate environments" — 5.0/5

> **Chinthaka** | *2026年8月3日* | 情報技術、情報サービス | おすすめ評価：9.0/10
> 
> **良いポイント**: Outlook is like our bread and butter for email communication. From tags to pinned emails to customised filtering tools and automated emails, Outlook has it all covered. The convenience of the Outlook app adds a few more sophisticated features that are not available in the online version.
> 
> **改善点**: Throughout the years of continuous use, very little on UI has changed, and it remains bold. Except for a few colour theme changes, most if not all, configurations are the same. Has much room for cosmetic customizations
> 
> Outlook web, or commonly known as the online version, is a great convenience to use, given you're almost always on the web. The handy app store has the mobile app, which is superfast and very easy to operate despite its shallow learning curve

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### "Stress-Free Daily Email Management for Over 5 Years" — 5.0/5

> **Lee** | *2026年8月27日* | マーケティング、広告 | おすすめ評価：10.0/10
> 
> **良いポイント**: What I like most about Outlook is that it allows me to manage around 50 emails a day with no stress. I can easily pin important emails to the top of my inbox and save emails into custom categories. The search function works great... I can find old conversations using a simple keyword or the sender's "from" name. I'm able to attach documents, images, or Google Docs links with no problem. It feels like a complete system that I can count on.
> 
> **改善点**: While the core features are great, the spam filtering sometimes puzzles me, i.e. occasionally letting questionable emails through and sending obvious (to me) legitimate emails to the junk folder. Also, I have to adjust the screen view each time in order to maximize the screen area that I can see and work from. It's a minor issue (and not really necessary), but I choose to adjust it every time I use it.
> 
> My overall experience has been very positive. Outlook is my primary email service and I check it several times every day. It's a critical part of my daily routine. It's dependable, and I would recommend it for anyone who needs to maintain a simple, organized, and efficient workflow.

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### "New Outlook is terrible" — 2.0/5

> **LINDA** | *2026年8月5日* | ホスピタリティ | おすすめ評価：1.0/10
> 
> **良いポイント**: I can set up folder in my in box to have things in special places. It has spell check. Mail seems to come in and not get lost in the internet world.
> 
> **改善点**: The new outlook is awful. They took away some of the best features. I can't set up the columns in mail like I used to. I get the 3 columns they choose and that's it. I can't alter the subject line on mail I've received. This is very  important because I would add a word or 2 to clarify what it is.  The address book is all messed up and I autofill pops up even after I delete email contacts.
> 
> With new outlook, my experience has been so frustrating. Unfortunately, I got  a new computer and cannot get classic outlook on there.

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### "Outlook: Day-to-Day Business Review" — 5.0/5

> **Samm** | *2026年6月15日* | 保険 | おすすめ評価：10.0/10
> 
> **良いポイント**: Microsoft Outlook is integral to our day-to-day business functioning for both e-mail, calendar and contact management. E-Mailing is a must in our workplace and helps to promote collaboration within the team. In addition, we utilize shared calendars which is a must to keeping the entire team in the loop. &#10;&#10;The ability to customize views and settings is great and allows each user to personalize Outlook based on their needs and preferences. Outlook can be accessed using the desktop software, web and mobile devices which allows all users to determine which application best works for them and their situation. &#10;&#10;Outlook is easy to access and connects quite easily; we do not often experience bugs or issues and when we do, they are often repaired or fixed quickly. Microsoft applications, including Outlook, have strong security features which ensures great filtering of junk/spam e-mails and ensures cyber safety.
> 
> **改善点**: When new employees join, they can sometimes find Outlook overwhelming because of the number of features. Furthermore, those with large mailboxes do experience performance issues, especially when searching for specific e-mails. &#10;&#10;The largest con would be that when Microsoft does perform updates, settings and workflows can often be change or be disrupted. For example: the new Outlook replaced Quick Parts with My Templates. While My Templates is a great feature, it does not function the same way Quick Parts does and therefore interrupted certain workflows within our business.
> 
> Overall, Outlook is critical tool for our business as it provides reliable e-mail, calendar and contact management while supporting team collaboration through shared calendars. The customization options and accessibility allow our users to work in a way that best suits their needs. While generally dependable and secure, Outlook is a great way to ensure cyber security. &#10;&#10;The main challenge is the learning curve for new users and occasional performance issues with larger mailboxes.

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### "Outlook works great\!" — 5.0/5

> **William** | *2026年9月8日* | 教育管理 | おすすめ評価：10.0/10
> 
> **良いポイント**: Message reactions and Teams integration are convenient, but the experience would be stronger with more visual customization and better native support for third-party meeting services like Zoom.
> 
> **改善点**: Outlook could offer a broader selection of themes and more flexible customization options. Support for third-party meeting platforms such as Zoom could also be smoother, especially when creating and managing meeting links directly from calendar invites.
> 
> Very positive. It works really well for our business and we experience minimal errors. The Outlook app itself is easy to use and understand.

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