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Install BetterAttach
Get the add-in running in Outlook in under 5 minutes. No IT department required, no software to install on your machine.
Prerequisites
- ✓A Microsoft 365 account (personal or work)
- ✓Outlook on the web or Outlook for Windows
Manifest URL
You will need this URL during installation. Copy it now.
https://purple-grass-0690ef10f.7.azurestaticapps.net/manifest.xmlInstallation Steps
1.Open Outlook on the web
Go to outlook.office.com and sign in with your Microsoft 365 account. Open any email that has attachments.
2.Open "Get Add-ins"
Click the three-dot menu (⋯) on the toolbar, then click "Get Add-ins". This opens the add-ins panel.
3.Go to My add-ins
Click the "My add-ins" tab. Scroll down to "Custom add-ins" at the bottom of the panel.
4.Add from URL
Click "Add a custom add-in" → "Add from URL". Paste the manifest URL shown below and click OK.
5.Install and confirm
Click "Install" when prompted. BetterAttach will now appear in your Outlook toolbar.
6.Set up your naming rules
Open BetterAttach from the toolbar, go to the "Rules" tab, and create your first naming template.
Template Variables
Use these variables in your naming templates. BetterAttach fills them in automatically from the email metadata.
| Variable | Description | Example |
|---|---|---|
| {date} | Email received date | 2026-05-12 |
| {sender} | Full sender email address | john@acme.com |
| {sender_name} | Sender display name | John_Smith |
| {sender_domain} | Domain part of sender email | acme.com |
| {to_domain} | Domain of first recipient | mycompany.com |
| {subject} | First 50 characters of email subject | Invoice_for_May_2026 |
| {original} | Original filename without extension | scan001 |
| {extension} | File extension including dot |
Example Templates
Common naming patterns for different roles. Use these as a starting point and customize to match your workflow.
Bookkeeper
{date}_{sender_domain}_{original}
Produces: 2026-05-12_acme.com_invoice.pdf
AP Clerk
{date}_{sender_name}_{subject}
Produces: 2026-05-12_John_Smith_Invoice_for_May_2026.pdf
General
{sender_name}_{original}_{date}
Produces: John_Smith_scan001_2026-05-12.pdf
Need help getting set up? Get in touch