Save and Share Outlook Attachments with OneDrive & SharePoint
AttachFlow is a Microsoft Outlook add-in that helps you manage email attachments more efficiently. Upload attachments from incoming emails directly to OneDrive or SharePoint, and share files from OneDrive or SharePoint, all without leaving Outlook.
Save and Share Outlook Attachments with OneDrive and SharePoint
What You Can Do with AttachFlow
Save
Save Email Attachments to OneDrive or SharePoint
Save attachments from incoming emails directly to OneDrive or SharePoint using your existing Microsoft 365 permissions.
- Save attachments from emails to OneDrive
- Save attachments from emails to SharePoint
- Choose a destination folder before saving
- Avoid local downloads and duplicate files
- Keep documents in approved Microsoft 365 locations
AttachFlow only displays files the signed-in user is authorized to view.
Share
Share Files Securely from OneDrive and SharePoint
AttachFlow lets you share files stored in OneDrive or SharePoint directly from Outlook.
- Insert OneDrive files into outgoing emails
- Insert SharePoint files into outgoing emails
- Share cloud-based files instead of large attachments
- Ensure recipients always access the latest version
AttachFlow only displays files the signed-in user is authorized to view.
Search
Find Files Across OneDrive and SharePoint
Search for files you already have access to across OneDrive and SharePoint without leaving Outlook.
- Search by file name or keyword
- View results from OneDrive and SharePoint in one place
- Open or share files directly from search results
- Results respect Microsoft 365 permissions
AttachFlow only displays files the signed-in user is authorized to view.
Save
Save attachments from incoming emails directly to OneDrive or SharePoint using your existing Microsoft 365 permissions.
- Save attachments from emails to OneDrive
- Save attachments from emails to SharePoint
- Choose a destination folder before saving
- Avoid local downloads and duplicate files
- Keep documents in approved Microsoft 365 locations
AttachFlow respects Microsoft 365 access controls. Users can only save files to locations they are authorized to access.
Share
AttachFlow lets you share files stored in OneDrive or SharePoint directly from Outlook.
- Insert OneDrive files into outgoing emails
- Insert SharePoint files into outgoing emails
- Share cloud-based files instead of large attachments
- Ensure recipients always access the latest version
All sharing follows your organization’s Microsoft 365 security and access policies.
Search
Find Files Across OneDrive and SharePoint
Search for files you already have access to across OneDrive and SharePoint without leaving Outlook.
- Search by file name or keyword
- View results from OneDrive and SharePoint in one place
- Open or share files directly from search results
- Results respect Microsoft 365 permissions
AttachFlow only displays files the signed-in user is authorized to view.
How AttachFlow Works
Save Email Attachments to OneDrive or SharePoint
- Open an email in Outlook that contains attachments.
- In the Outlook ribbon, click Apps and select AttachFlow.
- The AttachFlow pane opens on the right side of Outlook.
- Choose OneDrive or SharePoint.
- Select the attachments you want to save using the checkboxes.
- Browse and select the destination folder or SharePoint site.
- Click Save to upload the selected attachments.
Your files are saved directly to the selected OneDrive or SharePoint location.
Attach Files from OneDrive or SharePoint to an Email
- Start a new email or open an existing draft in Outlook.
- In the Outlook ribbon, click Apps and select AttachFlow.
- The AttachFlow pane opens on the right side of Outlook.
- Choose OneDrive or SharePoint.
- Browse your folders and select the file you want to attach.
- Insert the file into your email.
The selected file is added to your email from OneDrive or SharePoint without downloading it to your device
How AttachFlow Works
Save Email Attachments to
OneDrive or SharePoint
Open an email in Outlook that contains attachments.
In the Outlook ribbon, click Apps and select AttachFlow.
The AttachFlow pane opens on the right side of Outlook.
Choose OneDrive or SharePoint.
Select the attachments you want to save using the checkboxes.
Browse and select the destination folder or SharePoint site.
Click Save to upload the selected attachments.
How to Use
Security and Data Access
AttachFlow follows Microsoft Office Add-ins security requirements.
When the add-in is used, it can:
- Send data over the internet
- Save selected attachments to OneDrive or SharePoint
- Search files across OneDrive and SharePoint based on user permissions
- Insert files from OneDrive or SharePoint into outgoing emails
AttachFlow:
- Does not read or modify other mailbox items
- Does not store email or file data outside Microsoft 365
- Does not send data to any third parties
Get Free Early Access to AttachFlow
Try the Outlook add-in that makes uploading attachments effortless on the web, Windows, and Mac.
Frequently Asked Questions
After installing AttachFlow, you’ll see the AttachFlow button in Outlook app section. Open an email, launch the add-in, and choose to save attachments, share files, or search OneDrive and SharePoint.
AttachFlow supports Outlook on the web, Outlook for Windows, and Outlook for Mac.
Yes. AttachFlow works with OneDrive for Business, and SharePoint Online.
No. AttachFlow saves and shares files directly within OneDrive and SharePoint. Files are not downloaded locally unless you choose to do so.
Yes. AttachFlow uses Microsoft Azure AD for authentication and follows Microsoft Office Add-ins security guidelines. It only accesses data required to perform save, share, and search actions.
AttachFlow is available through Microsoft AppSource and installs directly into Outlook.