Business letter templates

Find free, customizable letter templates you can download, tailor, and implement instantly. Use the search bar below to quickly locate a specific letter template or browse the full collection.

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Non-renewal notice letter (Vendor): Free template

Template to end vendor contracts with formal notice.

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Non-renewal notice letter (Customer): Free template

Template to notify customers of subscription non-renewal.

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Sponsorship letter for event or program: Free template

Requests financial or in-kind support for an event or program, outlining the benefits to the sponsor.

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Announcement of fundraising event letter: Free template

Invites recipients to a fundraising event, highlighting the cause and how they can contribute.

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Letter of request for customer participation in case study: Free template

Asks customers to participate in a case study, explaining how their involvement will benefit both parties.

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Letter of proposal to host a joint webinar or event: Free template

Proposes a collaboration to host a joint webinar or event, emphasizing the mutual benefits and audience reach.

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Letter of proposal for influencer collaboration or sponsorship: Free template

Proposes a partnership for influencer collaboration or sponsorship, outlining the terms and potential benefits for both parties.

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Letter of request for multi-factor authentication (MFA) implementation: Free template

Requests the implementation of multi-factor authentication (MFA) for enhanced security, outlining the importance and benefits.

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Proposal letter for penetration testing services: Free template

Offers penetration testing services, outlining the process, objectives, and benefits of identifying vulnerabilities.

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Letter confirming incident response plan implementation: Free template

Confirms the implementation of an incident response plan, detailing the steps taken to ensure preparedness and security.

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