How to Compress a PowerPoint PPT File in 60 Seconds

How to Compress PPT File Size | Reduce PowerPoint Size

PowerPoint PPTファイルを圧縮する方法

4 Ways to Reduce Your PowerPoint (PPT) File Size - Compress PowerPoint Files

Compressing A Powerpoint File with Audio

Compress audio on a PowerPoint (PC)

Compress audio file to reduce file size and optimize for web

How to Reduce a Powerpoint File Size

2 SIMPLE TIPS TO REDUCE POWERPOINT FILE SIZE: Compress Your PPT Presentation File

Reducing the File Size of a PowerPoint Presentation

PowerPoint: Reduce File Size

PowerPoint Reduce File Size (2018)

PowerPoint ファイルを縮小してメールで送信する方法（簡単、100% 確実に機能）

Compress photos and reduce PowerPoint file size [Part 1]

Reduce PowerPoint File Size

How to Reduce the File Size of a PowerPoint Presentation | Compress PowerPoint File Size

PowerPoint Reduce File Size

How to decrease the file size of a PowerPoint presentation

PowerPointのファイルサイズを縮小する方法 - 簡単かつ確実に機能（アプリ不要）

オフラインで大容量ファイルを圧縮する方法 / コンピュータのヒントとコツ