Slack Promo Codes
Working Codes
85% off Slack Pro for registered nonprofits
Success Rate: 95%Last Verified: 1/1/2026
Code
SLACK-NONPROFIT
85% off for educational institutions
Success Rate: 95%Last Verified: 1/1/2026
Code
SLACK-EDU
Save 15% with annual Slack billing
Success Rate: 95%Last Verified: 1/1/2026
Code
SLACK-ANNUAL