The Stelaro Suite — three tools, one inbox

Your inbox.
Finally under control.

Kosmaro builds focused Microsoft Outlook add-ins that solve real problems — categorize automatically, archive on schedule, and find any attachment instantly. Pay once, own forever.

Explore the Suite About Kosmaro
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Classifi
Sender @apple.com → Work
Domain github.com → Dev
Subject invoice → Finance
3 rules active · Auto-tagging on
The Stelaro Suite

Focused tools.
Real results.

Each product is purpose-built to solve one inbox problem exceptionally well. Use one, two, or all three — they work even better together.

Classifi
Classifi
Automatic email categorization for Microsoft Outlook. Set rules once — by sender, domain, or subject keyword — and every email gets tagged the moment it arrives.
Auto-categorization Rule-based From $19
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Archivr
Archivr
Automatic email archiving for Microsoft Outlook. Set rules once — by age, sender, domain, subject, or category — and old emails move to your Archive folder on schedule.
Auto-archiving Scheduled From $14
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Attachr
Attachr
Searchable attachment library for Microsoft Outlook. Scan your entire inbox, find any file instantly, save to OneDrive in one click, and detect duplicates before they pile up.
Attachment library OneDrive save From $27
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Classifi + Archivr + Attachr
Stelaro Complete — all three apps, one key

Categorize, archive, and find attachments — your entire inbox automated. One-time purchase, no subscription.

From $47 Get the Bundle
Better Together

Three tools. One automated inbox.

Each Stelaro product solves a different part of the inbox problem. Together, they handle the whole thing.

Classifi Classifi

Tags every email the moment it arrives — "Invoices", "Newsletters", "Updates"

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Archivr Archivr

Archives tagged emails on schedule — inbox stays clean without any manual work

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Attachr Attachr

Saves any attachment to OneDrive before it disappears into the archive

Also from Kosmaro

Beyond the inbox.

Kosmaro builds focused tools you buy once. Our newest one isn’t an Outlook add-in at all.

DeductionsABC

Track charitable donations and estimate their fair-market value — a simple, modern replacement for Intuit’s discontinued ItsDeductible. One-time price, no subscription.

Visit DeductionsABC →

Ready to take back your inbox?

Start with any product or get the complete suite. One-time purchase, no subscription, works in Microsoft Outlook.

Explore Classifi Explore Archivr Explore Attachr