Send a presentation in email
In PowerPoint for the web, you can send a file as an attachment in Outlook.com or Outlook Web App in Microsoft 365. The recipient will get a copy of the file, and if they want to edit it, they’ll have to save it with a new name. You can also send a link to your presentation that lives in the cloud.
From Outlook.com

  - Create a new message.
 
  - On the Insert tab, click File as attachments. 
 

  
Go to your OneDrive folder, and then to the folder that contains the presentation you want to send.
  Double-click the file to attach it to the email.
  In the To box, add the email addresses of the people you want to send the attachment to, and then add a subject.
  Click Send
From Outlook Web App in Microsoft 365

  - In Microsoft 365, at the top of the page, click Outlook
 

. 
   Click New mail

  - Open your OneDrive for your organization.
 

  - Browse for the presentation file, and then click Open.
 
  - Click Send.
 
Send a link to your presentation from PowerPoint for the web

  - Click the Share tab 
 

  - Enter the email addresses of the people you want to send the link to, and then type a message.
 
  - If you want them to be able to edit your presentation, check Recipients can edit.
 
  - If you’re worried the email will be forwarded to people who you don’t want to see your presentation, check Require everyone who accesses this to sign in (to a Microsoft account).