Copilot in Outlook vs Rossum

Copilot in Outlook and Rossum sit in the same category. The verdict below is calculated for each role from the tasks, the role fit and the price.

Short answer

Copilot in Outlook wins for 13 of 20 roles in our data. Copilot in Outlook starts at $20/mo; Rossum publishes no fixed price.

Verdict by role

Role	Better choice	Why
Accountant	Rossum	works for free; has a free plan
Lawyer	Copilot in Outlook	covers 3 tasks relevant to this role against 0; built for this role
HR manager	Copilot in Outlook	covers 2 tasks relevant to this role against 0; built for this role
Finance manager	Rossum	works for free; has a free plan
Manager	Copilot in Outlook	covers 5 tasks relevant to this role against 0; built for this role
Marketer	Copilot in Outlook	covers 5 tasks relevant to this role against 0; built for this role
Sales manager	Copilot in Outlook	covers 5 tasks relevant to this role against 0; built for this role
Data analyst	Either one	even on tasks, Rossum is cheaper to start
Teacher	Copilot in Outlook	covers 5 tasks relevant to this role against 0; built for this role
Executive assistant	Copilot in Outlook	covers 5 tasks relevant to this role against 0; built for this role
Logistics manager	Copilot in Outlook	covers 5 tasks relevant to this role against 0; built for this role
Procurement manager	Rossum	works for free; has a free plan
Secretary	Copilot in Outlook	covers 5 tasks relevant to this role against 0; part of the role's core toolkit; built for this role
Recruiter	Copilot in Outlook	covers 2 tasks relevant to this role against 0; built for this role
HR administrator	Copilot in Outlook	covers 2 tasks relevant to this role against 0; built for this role
Tax consultant	Either one	even on tasks, Rossum is cheaper to start
Auditor	Rossum	works for free; has a free plan
Economist	Either one	even on tasks, Rossum is cheaper to start
Project manager	Copilot in Outlook	covers 5 tasks relevant to this role against 0; built for this role
Social media manager	Copilot in Outlook	covers 5 tasks relevant to this role against 0; built for this role

Side by side

	Copilot in Outlook	Rossum
Vendor	Microsoft	Rossum
Category	Documents and writing	Documents and writing
Free plan	No	Yes: A trial after a request on the website
Cheapest paid plan	Included in Copilot Pro, $20/mo	price on request
Top plan	Included in Microsoft 365 Copilot, $30/mo	price on request
Tasks covered	5	2

Copilot in Outlook: Summaries of long email threads, reply drafts and meeting prep right in Outlook.

Rossum: Automated processing of incoming supplier invoices that learns from your corrections.

Only Copilot in Outlook covers

Only Rossum covers

Pitfalls to watch at work

Copilot in Outlook

A thread summary misses attachments and late edits in quoted text: check amounts and dates in the email itself
The reply draft picks up the tone of the previous email, including a sharp one: reread before sending
A personal Copilot Pro subscription on a work mailbox takes company email outside its tenant: work mail needs a business license

Rossum

Rollout takes weeks: you need document samples and validation rules from accounting
Test documents in local languages and scripts in a pilot before signing an annual contract
Turn on posting without a person only for suppliers with an error-free history

FAQ

Is Copilot in Outlook or Rossum better for work?

In our data Copilot in Outlook is the better choice for 13 of 20 roles. The table above shows the reason for each role.

Which is cheaper, Copilot in Outlook or Rossum?

Copilot in Outlook starts at $20/mo; Rossum publishes no fixed price.

Do Copilot in Outlook and Rossum have free plans?

Copilot in Outlook: No. Rossum: Yes. A trial after a request on the website.

Compare Copilot in Outlook with

Compare Rossum with

Alternatives to Copilot in Outlook · Alternatives to Rossum · Copilot in Outlook pricing · Rossum pricing