No. 21 of 41 ·Email Signature Management Software

Signature 365

Web · Windows · Mac · Android · iPhone

Freedom report

Two barsScore 5.3

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely5 of 6 device platforms
DocumentedPlans, terms and facts published

Signature 365 is ranked #21 of 41 in email signature management software on Freedom251. It runs on Android, iOS, macOS, Web, Windows. There is no free plan. A free trial is offered.

Compared on email signature management software

Free plan: No
Directory sync: Yes

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The record

Purpose: Signature 365 manages email signatures, marketing campaigns, and legal disclaimers for Microsoft 365 and Office 365.
Central management: A central dashboard lets organizations create, manage, and update signatures across their teams.
Personalization: Signatures can include directory contact details, headshots, social links, banners, calls to action, and disclaimers.
Campaign analytics: The product tracks interactions and provides real-time insights and reports on signature campaign performance.
Deployment modes: Signatures can be added client-side, server-side, or through a combination of both modes.
Outlook integration: The Outlook add-in can be deployed from the Microsoft 365 admin center, and signatures can be added in Outlook on mobile devices.
Email client compatibility: Symprex says signatures can be added to email sent from any client on any device, with sent items updated accordingly.
Email access: Symprex says it does not access email content, including when server-side signatures are used.
Security certifications: Symprex says its services are ISO 27001 and ISO 27018 certified and SOC 2 Type II compliant and certified.
Compliance: The security page lists GDPR, CCPA, HIPAA, and PCI compliance.
Regional data: The product features page says regional infrastructure keeps customer data within the customer's region.
Trial: The 14-day trial requires no commitment or credit card, according to the pricing FAQ.
Licensing limit: A license is assigned to each user or shared mailbox routed through the service and to each user who uses the Outlook add-in.
Support: Technical support is included, with email and phone support stated as available 8 AM to 8 PM UK time, five days a week, and a 24-hour response guarantee.

Where it ranks on Freedom251

Best Email Signature Management Software in 2026#21 of 41
Best Email Signature Software in 2026#16 of 29

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Sources

symprex.com/signature-365/· checked 8 Oct 2026
symprex.com/signature-365/features/· checked 8 Oct 2026
symprex.com/signature-365/how-it-works/· checked 8 Oct 2026
symprex.com/company/security/· checked 8 Oct 2026
symprex.com/signature-365/pricing/· checked 8 Oct 2026
symprex.com/company/· checked 9 Oct 2026