KST
G
VS
M

Google Workspace vs Microsoft 365

2026年、最適なツールを選ぶための詳細比較

📅 最終更新: 2026年2月4日⏱️ 12 min read📊 Productivity Suite

🏆 クイック判定

引き分け!どちらも素晴らしい選択です。

Google Workspace is best for teams that prioritize collaboration, simplicity, and cloud-first workflows. Microsoft 365 is best for enterprises needing powerful desktop apps, advanced Excel, and deep compliance features.

📊 Visual Comparison

総合スコア比較

70
Google Workspace
vs
70
Microsoft 365

カテゴリー別分析

Google Workspace: 10%機能Microsoft 365: 10%
Google Workspace: 60%価格Microsoft 365: 60%
Google Workspace: 70%使いやすさMicrosoft 365: 70%
Google Workspace: 75%サポートMicrosoft 365: 75%
Google Workspace: 60%統合Microsoft 365: 60%

Google Workspace ハイライト

  • Best real-time collaboration
  • Cloud-native with automatic saving
  • 💰 $7/user/month

Microsoft 365 ハイライト

  • Most powerful desktop applications
  • Excel is unmatched for advanced spreadsheets
  • 💰 $6/user/month

機能比較

FeatureGoogle WorkspaceMicrosoft 365
EmailGmailOutlook
DocumentsGoogle DocsWord
SpreadsheetsGoogle SheetsExcel
PresentationsGoogle SlidesPowerPoint
StorageGoogle DriveOneDrive
Video ConferencingGoogle MeetTeams
Real-time CollaborationExcellentGood
Offline ModeLimitedFull desktop apps
Admin Console
AI FeaturesGemini integrationCopilot integration

Google Workspaceとは?

G

Google Workspace

Productivity Suite

workspace.google.com

Google Workspace (formerly G Suite) is Google's suite of cloud-native productivity and collaboration tools including Gmail, Google Docs, Sheets, Slides, Drive, Meet, and more. Known for its simplicity, real-time collaboration, and cloud-first approach.

メリット

  • Best real-time collaboration
  • Cloud-native with automatic saving
  • Simple, clean interface
  • Excellent for remote teams
  • Strong integration with Google ecosystem
  • Generous storage with plans

デメリット

  • Less powerful than Office for complex documents
  • Requires internet for full functionality
  • Limited offline capabilities
  • Spreadsheets weaker than Excel for power users
  • Data privacy concerns with Google

Microsoft 365とは?

M

Microsoft 365

Productivity Suite

microsoft.com/microsoft-365

Microsoft 365 is Microsoft's comprehensive productivity suite including Outlook, Word, Excel, PowerPoint, Teams, OneDrive, and more. It offers both desktop and web applications with deep enterprise features.

メリット

  • Most powerful desktop applications
  • Excel is unmatched for advanced spreadsheets
  • Full offline desktop apps
  • Deep enterprise and compliance features
  • Teams included for communication
  • Strong legacy document compatibility

デメリット

  • More complex to administer
  • Real-time collaboration less seamless
  • Higher learning curve
  • Can feel bloated
  • Desktop apps require installation

料金比較

Google Workspace

$7/user/month

Per user per month

View detailed pricing →

Microsoft 365

$6/user/month

Per user per month

View detailed pricing →

📊詳細分析: Google Workspace vs Microsoft 365

Google WorkspaceとMicrosoft 365のどちらを選ぶかは、両ツールが現代のワークフローに魅力的な機能を提供しているため、難しい選択となることがあります。この包括的な比較では、機能や価格から実際のユースケースまで、あらゆる側面を分析し、情報に基づいた意思決定をお手伝いします。

Google Workspace

Google Workspace (formerly G Suite) is Google's suite of cloud-native productivity and collaboration tools including Gmail, Google Docs, Sheets, Slides, Drive, Meet, and more. Known for its simplicity, real-time collaboration, and cloud-first approach.

Microsoft 365

Microsoft 365 is Microsoft's comprehensive productivity suite including Outlook, Word, Excel, PowerPoint, Teams, OneDrive, and more. It offers both desktop and web applications with deep enterprise features.

🎯最適なユースケース

Google Workspaceを選ぶべき時

  • チーム向け:

    Best real-time collaboration

  • 中小企業向け:

    Cloud-native with automatic saving

  • エンタープライズ向け:

    Simple, clean interface

Microsoft 365を選ぶべき時

  • 個人向け:

    Most powerful desktop applications

  • 中小企業向け:

    Excel is unmatched for advanced spreadsheets

  • チーム向け:

    Full offline desktop apps

🔍機能の詳細分析

Email

Google Workspace:Gmail
Microsoft 365:Outlook

Documents

Google Workspace:Google Docs
Microsoft 365:Word

Spreadsheets

Google Workspace:Google Sheets
Microsoft 365:Excel

Presentations

Google Workspace:Google Slides
Microsoft 365:PowerPoint

Storage

Google Workspace:Google Drive
Microsoft 365:OneDrive

Video Conferencing

Google Workspace:Google Meet
Microsoft 365:Teams

💰価格分析

Google Workspace

$7/user/month

Per user per month

Microsoft 365

$6/user/month

Per user per month

💡 Pro Tip

両ツールは無料トライアルまたは無料プランを提供しています。有料プランに加入する前に、実際のワークフローで両方をテストすることをお勧めします。

🏆おすすめ

広範な分析とテストの結果、私たちの見解は次のとおりです:Google WorkspaceとMicrosoft 365はどちらも生産性を大幅に向上させる優れたツールです。最適な選択は、あなたの具体的なニーズ、ワークフロー、優先事項によって異なります。

Choose Google Workspace if:

Your team works primarily in the cloud, values real-time collaboration, and prefers simplicity over power features.

Choose Microsoft 365 if:

You need powerful desktop apps, advanced Excel capabilities, enterprise compliance, or work heavily with legacy Office documents.

よくある質問

Microsoft 365 Business Basic starts at $6/user/month vs Google Workspace at $7/user/month. However, pricing varies by plan and features included.

最終結論:どちらを選ぶべき?

Google Workspaceを選ぶべき場合

Your team works primarily in the cloud, values real-time collaboration, and prefers simplicity over power features.

Microsoft 365を選ぶべき場合

You need powerful desktop apps, advanced Excel capabilities, enterprise compliance, or work heavily with legacy Office documents.