diff --git a/data/archives.md b/data/archives.md
new file mode 100644
index 0000000..5de17e3
--- /dev/null
+++ b/data/archives.md
@@ -0,0 +1,22 @@
+# GPG Archives
+
+Create an encrypted archive with `gpg`:
+
+> tar czvpf - file1.txt file2.pdf file3.jpg | gpg --symmetric --cipher-algo aes256 -o myarchive.tar.gz.gpg
+
+And extract it with `gpg`:
+
+> gpg -d myarchive.tar.gz.gpg | tar xzvf -
+
+# 7zip
+
+Make archive:
+
+> 7za a -tzip -pPASSWORD -mem=AES256 archive.zip file1 file2
+
+Note that people can still see every filename in your archive, and can change those files.
+
+Unzip:
+
+> 7za e archive.zip
+